Middle Vocab

Middle Level Vocabulary

769words for the SSAT & ISEE Middle Level. Step up your vocabulary game with these commonly tested words.

abate

verb

To become less intense or widespread.

abhor

verb

To regard with extreme hatred or disgust.

abort

verb

To stop a planned action before it is finished.

abrupt

adjective

Sudden and unexpected; brief to the point of rudeness.

absolve

verb

To declare free from blame or guilt.

abstract

adjective

Existing as an idea rather than something physical.

absurd

adjective

Wildly unreasonable or ridiculous.

academic

adjective

Relating to school, study, or formal learning.

accessible

adjective

Easy to reach, enter, or use.

accommodate

verb

To provide space or lodging for; to adjust to.

accord

noun, verb

An agreement; to give or grant something.

account

noun, verb

A record or explanation; to consider something when making a decision.

accountable

adjective

Required to explain actions; responsible.

accuracy

noun

The quality of being correct and free from mistakes.

acquire

verb

To gain possession of something.

acute

adjective

Sharp or severe; keenly perceptive.

adamant

adjective

Refusing to be persuaded; unyielding.

adapt

verb

To change to fit new conditions.

adept

adjective

Very skilled or proficient at something.

adhere

verb

To stick firmly to a surface or belief.

adjacent

adjective

Next to or near something.

adjust

verb

To change something slightly to make it fit or work better.

admonish

verb

To warn or scold someone firmly.

adversary

noun

An opponent or enemy.

adverse

adjective

Harmful or unfavorable.

advocate

noun, verb

A supporter; to publicly recommend or support.

aesthetic

adjective

Concerned with beauty or artistic taste.

affluent

adjective

Having a great deal of money; wealthy.

aggravate

verb

To make worse or more serious.

aggregate

noun

A total formed by combining several separate parts.

agile

adjective

Able to move quickly and easily.

agonizing

adjective

Causing great pain or intense worry.

algorithm

noun

A step-by-step set of instructions for solving a problem.

alignment

noun

The way parts are lined up or arranged in agreement.

alleviate

verb

To make suffering or a problem less severe.

allocate

verb

To set aside resources for a specific purpose.

allude

verb

To make an indirect reference to something.

ambiguous

adjective

Open to more than one interpretation; unclear.

amend

verb

To make changes to improve or correct something.

amiable

adjective

Friendly and pleasant in manner.

anarchy

noun

A state of disorder due to absence of authority.

ancestor

noun

A relative who lived long ago, from whom one is descended.

ancestry

noun

The people a person is descended from; family origins.

animosity

noun

Strong hostility or hatred.

annexed

adjective

Added or attached to another territory or document.

anonymous

adjective

Not identified by name; of unknown origin.

antagonist

noun

A person who actively opposes someone; a villain.

anxious

adjective

Feeling worried or uneasy.

apathy

noun

Lack of interest, enthusiasm, or concern.

appalling

adjective

Causing shock or dismay; dreadful.

apparatus

noun

A set of tools or equipment used for a particular purpose.

appease

verb

To calm or satisfy by giving in to demands.

apprehend

verb

To arrest or to understand something.

apt

adjective

Appropriate or suitable; naturally inclined.

arbitrary

adjective

Based on random choice rather than reason.

ardent

adjective

Very enthusiastic or passionate.

arduous

adjective

Requiring great effort; difficult and tiring.

arid

adjective

Extremely dry, with little or no rainfall.

articulate

adjective, verb

Fluent and clear in speech; to express clearly.

artisan

noun

A skilled worker who makes things by hand.

ascend

verb

To go up or climb.

aspire

verb

To have a strong desire to achieve something.

assemble

verb

To put the parts of something together.

assembly

noun

A gathering of people, or the action of fitting parts together to make something.

assert

verb

To state something confidently and forcefully.

assess

verb

To evaluate or judge the value of something.

asset

noun

A useful or valuable thing or quality.

assimilate

verb

To absorb and integrate into a wider group.

astonish

verb

To greatly surprise or amaze someone.

astute

adjective

Having sharp judgment; clever and perceptive.

attribute

noun, verb

A quality or feature; to credit as belonging to.

audacious

adjective

Showing a willingness to take bold risks.

augment

verb

To make something greater by adding to it.

auspicious

adjective

Indicating a good chance of success; favorable.

austere

adjective

Severe or strict in manner; plain and simple.

authoritative

adjective

Commanding and self-confident; reliable.

automata

noun

Machines that move or work on their own, like early mechanical figures.

averse

adjective

Having a strong dislike or opposition to.

avid

adjective

Having a keen interest or enthusiasm.

awareness

noun

Knowledge or understanding that something exists or is happening.

axis

noun

An imaginary line that something rotates around, or a reference line on a graph.

banish

verb

To send someone away as an official punishment.

barbaric

adjective

Savagely cruel or very primitive.

barren

adjective

Too poor to produce much vegetation; empty.

battery

noun

A device that stores chemical energy and releases it as electricity.

beckon

verb

To make a gesture encouraging someone to approach.

belligerent

adjective

Hostile and aggressive; eager to fight.

benevolent

adjective

Kind, generous, and well-meaning.

benign

adjective

Gentle and harmless; not dangerous.

biased

adjective

Unfairly favoring one side over another.

blatant

adjective

Done openly and without shame; obvious.

boisterous

adjective

Noisy, energetic, and rowdy.

bolster

verb

To support or strengthen.

braggart

noun

A person who boasts about achievements.

brazen

adjective

Bold and without shame.

brusque

adjective

Abrupt and unfriendly in manner.

bulletin

noun

A short public announcement or news update.

buttress

noun, verb

A support; to strengthen or reinforce.

calibrate

verb

To adjust an instrument or plan so it is exact.

candid

adjective

Truthful and straightforward; frank.

capital

noun

The most important city of a country or region, where the government meets.

capricious

adjective

Given to sudden changes of mood or behavior.

captives

noun

People held against their will.

cascade

noun, verb

A waterfall; to fall or pour in large quantities.

casual

adjective

Relaxed and informal; not planned or serious.

catalyst

noun

Something that causes an important change or event.

cautious

adjective

Careful to avoid danger or mistakes.

censure

noun, verb

Formal disapproval; to express severe criticism.

central

adjective

Located in the middle; most important.

cession

noun

The act of giving up land or rights to another party.

channel

noun

A path or route through which something moves or is sent.

charge

noun, verb

An amount of electricity; to give power to something.

chronic

adjective

Persisting for a long time; constant.

chronicle

noun, verb

A record of events; to record events in order.

circuit

noun

A complete path that electricity flows through, or a regular series of stops.

circulate

verb

To move around in a system, the way blood, money, or news does.

circumvent

verb

To find a way around an obstacle or rule.

cite

verb

To quote or refer to as evidence or authority.

civic

adjective

Relating to a city, its people, or their duties as citizens.

clamor

noun, verb

A loud outcry; to shout demands noisily.

clandestine

adjective

Kept secret or done in a hidden way.

clemency

noun

Mercy or leniency shown toward an offender.

clumsy

adjective

Awkward in movement or in handling things.

coalesce

verb

To come together to form one mass or whole.

coerce

verb

To persuade by using force or threats.

cogent

adjective

Clear, logical, and convincing.

coherent

adjective

Logical and consistent; easy to understand.

collaborate

verb

To work jointly with others on a project.

colossal

adjective

Extremely large in size or scale.

commerce

noun

The buying and selling of goods on a large scale.

compact

adjective

Closely packed together; small but efficient.

compelling

adjective

Evoking strong interest or attention; convincing.

compensate

verb

To make up for something; to pay for services.

complacent

adjective

Smugly self-satisfied and unconcerned.

comply

verb

To act in accordance with a rule or request.

composure

noun

Calm control of your feelings, especially under pressure.

compound

noun

Something made by combining two or more parts.

comprehensive

adjective

Complete and including all elements.

compulsory

adjective

Required by law or a rule; mandatory.

concede

verb

To admit that something is true after first resisting.

concise

adjective

Giving a lot of information clearly in few words.

concrete

adjective

Real and specific rather than vague or abstract.

condense

verb

To make something shorter, smaller, or denser.

condone

verb

To accept or forgive behavior considered wrong.

conducive

adjective

Making a situation or outcome more likely.

confiscate

verb

To take property with authority; to seize.

conform

verb

To follow established rules or standards.

confront

verb

To face someone or something directly and boldly.

conjecture

noun, verb

An opinion formed without proof; to guess.

conquest

noun

The act of taking control of a place by force.

conscientious

adjective

Wishing to do what is right; thorough and careful.

consensus

noun

General agreement among a group.

conspicuous

adjective

Standing out so as to be clearly visible.

constitute

verb

To make up or form something.

constrain

verb

To severely restrict or limit.

contemplate

verb

To think about something deeply and carefully.

contempt

noun

The feeling that someone or something is worthless.

contentious

adjective

Causing or likely to cause disagreement.

contradict

verb

To say the opposite of what someone else has said.

control

verb

To direct or influence the behavior of something.

controversial

adjective

Causing disagreement or public debate.

conventional

adjective

Based on what is generally done; traditional.

converge

verb

To come together at a single point.

conviction

noun

A firmly held belief or opinion.

copious

adjective

Abundant in supply or quantity.

corridor

noun

A long passage inside a building or between places.

corroborate

verb

To confirm or give support to a statement.

court

noun

A place where legal cases are decided, or a marked area where games like tennis or basketball are played.

credible

adjective

Able to be believed; convincing.

criteria

noun

Standards by which something is judged.

cryptic

adjective

Having a meaning that is mysterious or obscure.

cultivate

verb

To prepare land for crops; to develop a quality.

cumulative

adjective

Increasing by successive additions.

curb

noun, verb

A check or restraint; to hold back or control.

curtail

verb

To reduce in extent or quantity.

cynical

adjective

Believing that people are motivated only by selfishness.

daunting

adjective

Seeming difficult to deal with; intimidating.

debacle

noun

A sudden and complete disaster or failure.

debilitate

verb

To make someone weak or infirm.

debt

noun

Money or something else that one person owes to another.

debuted

verb

Appeared or was introduced in public for the first time.

decisive

adjective

Settling an issue quickly; able to make firm choices.

decoded

verb

Figured out the meaning of a coded message.

decree

noun, verb

An official order; to order something officially.

defiance

noun

Open resistance or bold disobedience.

deft

adjective

Neatly skillful and quick in movements.

defy

verb

To openly resist or challenge.

delegate

noun, verb

A representative; to assign responsibility to another.

demeanor

noun

Outward behavior or bearing.

demolish

verb

To destroy or tear down completely.

denounce

verb

To publicly declare to be wrong or evil.

depict

verb

To represent or show in a picture or words.

deplete

verb

To use up the supply of something.

deplore

verb

To feel or express strong disapproval of.

derive

verb

To obtain something from a specified source.

desolate

adjective

Empty and bleak; feeling lonely and abandoned.

despise

verb

To feel contempt or deep dislike for.

destitute

adjective

Extremely poor and lacking the means to live.

deter

verb

To discourage someone from doing something.

detrimental

adjective

Causing harm or damage.

deviate

verb

To depart from the usual or expected course.

devise

verb

To plan or invent by careful thought.

devout

adjective

Deeply religious or sincerely devoted.

diction

noun

The choice and use of words in speech or writing.

diffuse

adjective, verb

Spread out widely; to scatter in many directions.

digital

adjective

Using computer technology or information stored as numbers.

digress

verb

To stray from the main subject temporarily.

dilemma

noun

A situation requiring a choice between two difficult options.

discern

verb

To perceive or recognize something.

disciple

noun

A devoted follower or student of a teacher or leader.

disclose

verb

To make known or reveal.

discord

noun

Disagreement or conflict between people.

discovery

noun

The act of finding something new or learning something for the first time.

discretion

noun

The quality of being careful about what one says or does.

disdain

noun, verb

Contempt or scorn; to regard as unworthy.

dismal

adjective

Gloomy, dreary, and depressing.

dismantle

verb

To take something apart piece by piece.

dismiss

verb

To send away or reject as unworthy of consideration.

dispel

verb

To make a feeling or belief disappear.

disposition

noun

A person's natural qualities of character; temperament.

dissent

noun, verb

Disagreement with an official view; to disagree.

dissolved

verb

Mixed into a liquid until the solid disappeared; also, broke up.

distant

adjective

Far away in space, time, or relationship.

distinguish

verb

To recognize or treat as different.

divert

verb

To cause to change direction or to entertain.

docile

adjective

Ready to accept instruction; submissive.

doctrine

noun

A set of beliefs held by a group or organization.

domain

noun

An area of activity or knowledge.

dominance

noun

The state of being stronger or more powerful than others.

dormant

adjective

Temporarily inactive, as if sleeping.

drastic

adjective

Having a strong or far-reaching effect; extreme.

dubious

adjective

Hesitating or doubting; not to be relied upon.

duration

noun

The length of time something lasts.

dwindle

verb

To gradually become smaller or less.

dynamic

adjective

Characterized by constant change and activity.

dynasty

noun

A line of rulers from the same family who hold power over many years.

eccentric

adjective

Unconventional and slightly strange.

economize

verb

To spend less; to use resources carefully.

edict

noun

An official order or decree.

elapse

verb

To pass or slip by, referring to time.

elated

adjective

Extremely happy and excited.

electric

adjective

Powered by or relating to electricity; thrilling.

eloquent

adjective

Fluent or persuasive in speaking or writing.

elusive

adjective

Difficult to find, catch, or achieve.

embark

verb

To begin a journey or new project.

empathy

noun

The ability to understand and share another's feelings.

emulate

verb

To try to equal or surpass, usually by imitation.

encircle

verb

To form a circle around something.

encoded

verb

Converted into a coded form so it can be sent or stored.

encompass

verb

To surround or include entirely.

endeavor

noun, verb

A serious effort or attempt.

endorse

verb

To declare approval of or support for.

endurance

noun

The ability to keep going through hardship or over long periods.

enhance

verb

To increase the quality, value, or extent of.

enigma

noun

A person or thing that is mysterious or puzzling.

enmity

noun

Deep-seated hatred or ill will.

entail

verb

To involve something as a necessary part.

entangled

adjective

Twisted together and hard to separate.

entrepreneur

noun

A person who starts and runs a business.

envoy

noun

A person sent as a messenger or representative.

ephemeral

adjective

Lasting for a very short time.

equitable

adjective

Fair and impartial.

eradicate

verb

To destroy completely; to put an end to.

ergonomic

adjective

Designed to be comfortable and efficient for a person's body.

erosion

noun

The gradual wearing away of something by wind, water, or use.

erratic

adjective

Unpredictable and inconsistent.

esteem

noun, verb

Respect and admiration; to regard highly.

ethical

adjective

Relating to moral principles of right and wrong.

evade

verb

To escape or avoid, especially by cleverness.

evolve

verb

To develop gradually over time.

exasperate

verb

To irritate or annoy intensely.

excerpt

noun

A short passage taken from a longer work.

execute

verb

To carry out or perform a plan, command, or task.

exemplify

verb

To serve as a typical example of.

exempt

adjective, verb

Free from an obligation; to release from a duty.

exert

verb

To apply force, effort, or influence.

exile

noun, verb

Forced absence from one's country; to banish.

expedient

adjective, noun

Convenient and practical though possibly improper.

explicit

adjective

Stated clearly and in detail, leaving no doubt.

exploit

noun, verb

A bold achievement; to use selfishly for profit.

exported

verb

Sent goods to another country for sale.

exquisite

adjective

Extremely beautiful and delicate.

extravagant

adjective

Spending much more than necessary; excessive.

exuberant

adjective

Filled with lively energy and excitement.

fabricate

verb

To invent or make up something, typically to deceive.

facilitate

verb

To make an action or process easier.

fallacy

noun

A mistaken belief based on unsound reasoning.

falter

verb

To lose strength or momentum; to hesitate.

feasible

adjective

Possible and practical to do easily.

fervent

adjective

Having or displaying passionate intensity.

fickle

adjective

Changing frequently in loyalties or affections.

filament

noun

A thin thread, fiber, or wire, like the glowing wire inside a bulb.

flagrant

adjective

Conspicuously or obviously offensive.

flawless

adjective

Without any mistakes or defects.

flippant

adjective

Not showing proper respect or seriousness.

flounder

verb

To struggle or stagger clumsily.

flourish

verb

To grow or develop successfully; to thrive.

fluctuate

verb

To rise and fall irregularly.

fluent

adjective

Able to speak or write smoothly and easily.

forestall

verb

To prevent by taking action in advance.

forfeit

noun, verb

A penalty; to lose as a consequence of wrongdoing.

formidable

adjective

Inspiring fear or respect through size or ability.

fortify

verb

To strengthen a place against attack.

foster

verb

To encourage the development of something.

frantic

adjective

Wild with excitement, fear, or anxiety.

freedom

noun

The power to act, speak, or think without being held back.

frivolous

adjective

Not having any serious purpose or value.

frugal

adjective

Sparing or economical with money or resources.

futile

adjective

Incapable of producing any useful result; pointless.

gateway

noun

An opening or entrance that leads to another place or stage.

gaunt

adjective

Extremely thin and bony, especially from illness.

gesture

noun

A movement of the body that expresses an idea or feeling.

gingerly

adverb, adjective

In a careful or cautious manner.

goad

verb

To provoke or annoy someone into action.

gratified

adjective

Feeling pleased and satisfied.

gratify

verb

To give pleasure or satisfaction to.

gregarious

adjective

Fond of company; sociable.

grudge

noun

A persistent feeling of resentment.

grueling

adjective

Extremely tiring and demanding.

gullible

adjective

Easily persuaded to believe something; naive.

hamper

verb

To hinder or restrict movement or progress.

haphazard

adjective

Lacking any plan, order, or direction.

harness

verb

To control and put a force or resource to use for a purpose.

haunted

adjective

Visited or troubled by something, often a ghost or a memory.

havoc

noun

Widespread destruction or chaos.

hazardous

adjective

Dangerous or likely to cause harm.

heed

noun, verb

Careful attention; to pay attention to.

heinous

adjective

Utterly wicked or shockingly evil.

herald

noun, verb

A messenger; to signal the approach of.

hidden

adjective

Not easy to see, find, or notice.

hindrance

noun

A thing that provides resistance or obstruction.

hoist

verb

To raise or lift up, especially with mechanical help.

homage

noun

Special honor or respect shown publicly.

homely

adjective

Plain or unattractive in appearance.

hone

verb

To sharpen or refine a skill.

humanoid

adjective

Having a shape or appearance like a human.

hypocrisy

noun

The practice of claiming standards one does not follow.

iconic

adjective

Famous and instantly recognizable as a symbol of something.

identical

adjective

Exactly the same in every detail.

illusion

noun

Something that seems real or true but is not.

imminent

adjective

About to happen very soon.

impair

verb

To weaken or damage, especially in quality.

impartial

adjective

Treating all rivals or sides equally; fair.

impede

verb

To delay or prevent by obstructing.

imperative

adjective, noun

Of vital importance; an essential action.

implement

noun, verb

A tool; to put a plan into effect.

implore

verb

To beg someone earnestly or desperately.

imply

verb

To suggest without directly stating.

impose

verb

To force something on someone.

impoverish

verb

To make poor or reduce to poverty.

improvise

verb

To create or perform without preparation.

impudent

adjective

Showing a lack of respect; rude.

inadvertent

adjective

Not resulting from deliberate intent; accidental.

inaugural

adjective

Marking the first time something happens.

incessant

adjective

Continuing without pause or interruption.

incident

noun

An event, especially one that is unusual.

incite

verb

To encourage or stir up violent or unlawful behavior.

incline

noun, verb

A slope; to feel willing or favorable toward.

inconspicuous

adjective

Not clearly visible or attracting attention.

indifferent

adjective

Having no particular interest or concern.

indignant

adjective

Feeling anger about something perceived as unfair.

indulgent

adjective

Readily giving in to desires; lenient.

inevitable

adjective

Certain to happen; unavoidable.

infer

verb

To conclude from evidence rather than direct statements.

inflict

verb

To cause something unpleasant to be suffered.

ingenious

adjective

Cleverly inventive or resourceful.

inhibit

verb

To hinder, restrain, or prevent.

innate

adjective

Inborn; natural rather than learned.

innovation

noun

A new method, idea, or product.

inquisitive

adjective

Eager to learn or know; curious.

insight

noun

A deep understanding of a person or situation.

insolent

adjective

Showing a rude and disrespectful lack of courtesy.

intact

adjective

Whole and undamaged.

integral

adjective

Necessary to make a whole complete; essential.

integrate

verb

To combine parts so they work together as one whole.

integrity

noun

The quality of being honest and morally upright.

intensive

adjective

Done with great effort, focus, or thoroughness.

intercede

verb

To intervene on behalf of another.

intercept

verb

To stop something on its way from one place to another.

interior

noun

The inside of a place or object.

intermittent

adjective

Occurring at irregular intervals; not continuous.

intervals

noun

Spaces or amounts of time between events.

intervene

verb

To come between disputing parties to alter an outcome.

intimidate

verb

To frighten or overawe someone.

intricate

adjective

Very complicated or detailed.

intrinsic

adjective

Belonging to something by its very nature.

intruders

noun

People who enter a place where they are not welcome.

intrusion

noun

The act of entering a place or situation where you are not welcome.

intuitive

adjective

Understood easily without needing to think hard about it.

inundate

verb

To overwhelm with a huge amount; to flood.

investor

noun

A person who puts money into a business hoping to earn more in return.

invisible

adjective

Unable to be seen.

invited

verb

Asked someone to come or take part.

invoke

verb

To call on as an authority or for support.

irate

adjective

Extremely angry; furious.

irony

noun

The expression of meaning through words that convey the opposite.

irrational

adjective

Not logical or reasonable.

jeopardize

verb

To put someone or something at risk of harm.

jovial

adjective

Cheerful and friendly.

judgment

noun

The ability to make careful decisions or form sensible opinions.

jurisdiction

noun

The official power to make legal decisions.

justify

verb

To show or prove to be right or reasonable.

keen

adjective

Eager and enthusiastic; sharp.

kindle

verb

To light a fire; to arouse an emotion.

knack

noun

A natural skill or talent.

laborious

adjective

Requiring considerable effort and time.

lackluster

adjective

Lacking in vitality, force, or conviction.

lament

noun, verb

An expression of grief; to mourn or express sorrow.

landscape

noun

The natural features of an area of land.

languid

adjective

Displaying or having a lack of energy.

lavish

adjective, verb

Sumptuously rich or elaborate; to give generously.

legacy

noun

Something passed on from the past, such as tradition or influence.

legendary

adjective

Famous in stories or widely admired.

legible

adjective

Clear enough to be read.

legitimate

adjective

Conforming to the law or rules; genuine.

lethal

adjective

Sufficient to cause death; deadly.

liability

noun

The state of being legally responsible; a disadvantage.

liberation

noun

The act of setting someone free.

literal

adjective

Taking words in their most basic sense without metaphor.

lofty

adjective

Of imposing height; noble in character.

logic

noun

Careful, step-by-step reasoning used to reach correct conclusions.

logistics

noun

The planning of how people, supplies, or events are arranged.

longing

noun

A strong feeling of wanting something or someone.

loophole

noun

A gap or exception in a rule that lets someone avoid it.

loyalty

noun

Faithful support for a person, group, idea, or place.

lucid

adjective

Expressed clearly; easy to understand.

lucrative

adjective

Producing a lot of money or profit.

ludicrous

adjective

So foolish or unreasonable as to be amusing.

luminous

adjective

Full of or shedding light; bright.

lure

noun, verb

To attract or tempt; something that attracts.

luxury

noun

Something expensive and comfortable that is enjoyed but not needed.

mainland

noun

The main part of a country, not including islands.

makeshift

adjective

Made quickly from whatever is available, as a temporary fix.

malice

noun

The intention or desire to do evil.

mandate

noun, verb

An official order; to require something.

manifest

adjective, verb

Clear or obvious; to display or show.

manipulate

verb

To control or influence something or someone cleverly.

massive

adjective

Very large in size, amount, or weight.

meager

adjective

Lacking in quantity or quality; inadequate.

meaning

noun

The idea or message that something expresses.

mechanics

noun

The science or practical details of how machines and motion work.

mediate

verb

To intervene between disputing parties to produce agreement.

mediocre

adjective

Of only average quality; not very good.

menace

noun, verb

A threatening quality; to threaten with harm.

mentor

noun

A person with experience who guides and teaches someone less experienced.

merit

noun, verb

The quality of being worthy; to deserve.

meticulous

adjective

Showing great attention to detail; very careful.

migrant

noun

A person who moves from one place to another, often for work or safety.

milestone

noun

An important event that marks progress.

mimic

noun, verb

To imitate or copy closely.

mineral

noun

A solid substance found in nature, such as quartz, salt, or iron.

mitigate

verb

To make less severe, serious, or painful.

modular

adjective

Built from separate parts that can be put together in different ways.

momentum

noun

The force that keeps something moving forward.

monitor

verb

To watch or check something carefully over time.

monopoly

noun

Complete control of a product, service, or industry by one company or group.

monotonous

adjective

Dull and lacking in variety.

monotony

noun

A boring lack of variety.

morbid

adjective

Having an unhealthy interest in disturbing subjects.

mundane

adjective

Lacking interest or excitement; dull.

naive

adjective

Showing a lack of experience or judgment.

negate

verb

To nullify or make ineffective.

network

noun

A group of connected people, computers, or places.

neutral

adjective

Not taking a side in a fight or disagreement.

nocturnal

adjective

Active during the night rather than the day.

noise

noun

Unwanted sound or signals that make useful information harder to notice.

nomadic

adjective

Living a life of roaming from place to place.

nonchalant

adjective

Feeling or appearing calm and relaxed.

noncommittal

adjective

Not expressing a clear opinion.

notorious

adjective

Famous for something bad.

novelty

noun

The quality of being new, fresh, or unusual.

novice

noun

A person new to or inexperienced in a field.

nullify

verb

To make legally void or of no effect.

obnoxious

adjective

Extremely unpleasant; highly objectionable.

obscure

adjective, verb

Not well known; to conceal or make unclear.

obsolete

adjective

No longer produced or used; outdated.

obstinate

adjective

Stubbornly refusing to change.

offering

noun

Something that is given, presented, or made available.

ominous

adjective

Giving the impression that something bad will happen.

omit

verb

To leave out or exclude.

opaque

adjective

Not able to be seen through; not transparent.

optimistic

adjective

Hopeful and confident about the future.

optional

adjective

Available as a choice rather than required.

oracle

noun

A person or place believed to give wise advice or glimpses of the future.

orderly

adjective

Neatly arranged or following proper rules.

ordinance

noun

A rule or law made by a city or local authority.

ornate

adjective

Made in an elaborate way; highly decorated.

ostentatious

adjective

Designed to impress or attract attention; showy.

oust

verb

To drive out or expel from a position.

outlandish

adjective

Looking or sounding bizarre or unfamiliar.

outlive

verb

To live or last longer than someone or something else.

override

verb

To cancel or take control away from something else.

pacify

verb

To bring to a state of peace or calm.

painstaking

adjective

Done with great care and thoroughness.

panels

noun

Flat boards that form parts of a wall, door, or solar collector.

paradox

noun

A seemingly contradictory statement that may be true.

parallel

adjective

Side by side and always the same distance apart; similar in pattern.

paramount

adjective

More important than anything else; supreme.

patent

noun

An official document giving an inventor sole rights to make and sell their invention.

patron

noun

A person who supports or protects something, often with money.

patronize

verb

To treat in a condescending way.

pattern

noun

A repeated design or regular way that something happens.

peak

noun, adjective

The highest point or level.

peninsula

noun

A piece of land almost surrounded by water.

pensive

adjective

Engaged in deep or serious thought.

perilous

adjective

Full of danger or risk.

perpetual

adjective

Never ending or changing; continuous.

perplexing

adjective

Completely baffling; very puzzling.

pertinent

adjective

Relevant or applicable to the matter at hand.

petition

noun, verb

A formal written request; to make a formal appeal.

phenomenon

noun

A fact or event that can be observed.

pigment

noun

A natural or artificial coloring substance used to give color to paint, ink, or skin.

pinnacle

noun

The highest point or peak of something.

pivotal

adjective

Of crucial importance in relation to the outcome.

placid

adjective

Not easily upset or excited; calm.

platform

noun

A raised surface, or a system that supports activity.

plausible

adjective

Seeming reasonable or probable.

plight

noun

A dangerous, difficult, or unfortunate situation.

poignant

adjective

Evoking a keen sense of sadness or regret.

polished

adjective

Smooth and shiny; refined and skillful.

porcelain

noun

A hard, white pottery made from special clay fired at high temperatures.

portable

adjective

Easy to carry or move from place to place.

practical

adjective

Useful in real situations rather than only in theory.

precision

noun

The quality of being exact and careful.

predecessor

noun

A person who held a job or position before the current one.

predicament

noun

A difficult or unpleasant situation.

predominant

adjective

Present as the strongest or main element.

preliminary

adjective

Coming before the main action; preparatory.

premise

noun

The idea or belief that an argument or plan is based on.

prepare

verb

To make something or someone ready.

pressure

noun

Force pushing against a surface, or a feeling of stress to act a certain way.

prestige

noun

Widespread respect and admiration.

presume

verb

To suppose something is true without proof.

prevalent

adjective

Widespread in a particular area or at a particular time.

preview

noun

A short look at something before it is shown to everyone.

principle

noun

A basic rule or truth that guides how something works.

pristine

adjective

In its original condition; unspoiled.

problem

noun

A question, difficulty, or situation that needs to be solved.

procedure

noun

A set of steps for doing something correctly.

process

noun, verb

A series of steps; to handle or work through information.

proclaim

verb

To announce officially or publicly.

procrastinate

verb

To delay or postpone action.

prodigy

noun

A young person with extraordinary skill or talent.

proficient

adjective

Competent or skilled in doing something.

profound

adjective

Very great or intense; deeply meaningful.

prohibit

verb

To formally forbid by law or authority.

prolific

adjective

Producing much fruit, foliage, or many works.

prominent

adjective

Important or well known; standing out.

prone

adjective

Likely or inclined to do something.

propaganda

noun

Biased information used to promote a point of view.

propel

verb

To drive or push something forward.

prophecy

noun

A prediction about what will happen in the future.

prosecute

verb

To bring legal action against someone.

prosper

verb

To succeed and thrive, especially financially.

protocol

noun

A set of rules for how something should be done.

prototype

noun

An early model of something new, used to test the design before making more.

province

noun

A region or administrative area of a country.

provoke

verb

To stimulate a reaction, especially anger.

prudent

adjective

Acting with care and thought for the future.

publish

verb

To produce and share printed or online material for the public.

pungent

adjective

Having a sharply strong taste or smell.

purified

adjective

Cleaned of dirt, germs, or unwanted substances.

qualm

noun

An uneasy feeling of doubt or worry.

quandary

noun

A state of uncertainty about what to do.

quarantine

noun, verb

Isolation to prevent spread of disease; to isolate.

quell

verb

To put an end to, usually by force.

quest

noun

A long search for something.

radical

adjective

Involving big, basic change or very different from the usual.

ratify

verb

To formally approve or confirm.

readiness

noun

The state of being prepared for something.

rebuke

noun, verb

Sharp disapproval; to criticize sharply.

recede

verb

To go or move back; to diminish.

recluse

noun

A person who lives a solitary life.

reconcile

verb

To restore friendly relations between.

recover

verb

To get back something lost, or to return to health.

redundant

adjective

No longer needed or useful; repetitive.

reform

noun

A change made to improve a system or institution.

refute

verb

To prove a statement or theory to be wrong.

regime

noun

A government or system of rule.

regolith

noun

The loose layer of dust and broken rock on the surface of a planet or moon.

regular

adjective

Happening often, at even intervals, or following the usual pattern.

relevance

noun

A clear connection to the matter being discussed.

reliable

adjective

Able to be trusted to work well or give the same result.

relinquish

verb

To voluntarily give up or let go of.

reluctant

adjective

Unwilling and hesitant.

remorse

noun

Deep regret or guilt for a wrong committed.

render

verb

To cause to be or become; to provide a service.

renounce

verb

To formally declare the giving up of a claim.

repeated

adjective

Happening or done many times.

replenish

verb

To fill or build up again.

reprimand

noun, verb

A formal expression of disapproval; to scold officially.

reproach

noun, verb

Criticism or disapproval; to express disappointment in.

reroute

verb

To send along a different route or path.

research

noun

Careful study done to find out new facts or solve a problem.

resilient

adjective

Able to recover quickly from difficult conditions.

resist

verb

To push back against a force, temptation, or pressure.

resistance

noun

The act of pushing back against force, authority, or change.

resolution

noun

A firm decision to do something.

resolve

verb

To decide firmly or to solve a problem.

response

noun

An answer or reaction to something that happened.

resupply

verb

To deliver fresh supplies of something needed.

retaliate

verb

To make an attack in return for a similar attack.

retort

noun, verb

A sharp reply; to say something sharp in response.

retrieve

verb

To get or bring something back.

retrofit

verb

To add new features to something that already exists.

reusable

adjective

Able to be used more than once.

revelation

noun

A surprising and previously unknown fact revealed.

revere

verb

To feel deep respect or admiration for.

revising

verb

Changing or correcting something to improve it.

revoke

verb

To officially cancel a decree, decision, or permit.

rigorous

adjective

Extremely thorough and careful.

ritual

noun

A set of actions performed in a fixed order, often for religious or traditional reasons.

rival

noun

A person or group competing for the same goal.

rivalry

noun

Ongoing competition between two people or groups.

robust

adjective

Strong and healthy; vigorous.

routine

noun

A regular, repeated series of actions or steps.

ruthless

adjective

Having no pity or compassion for others.

sabotage

noun, verb

Deliberate destruction; to deliberately destroy or damage.

sacred

adjective

Deserving deep respect, often for religious reasons.

salvage

noun, verb

Rescued property; to rescue from loss or destruction.

sanction

noun, verb

Official permission or a penalty; to authorize or penalize.

sanctuary

noun

A safe place that offers protection or refuge.

saturate

verb

To soak thoroughly or fill completely.

scattered

adjective

Spread out in many directions or places.

score

noun

The number of points each player or team has in a game or test.

scrambled

verb

Moved quickly using hands and feet, or mixed something up rapidly.

scrupulous

adjective

Careful, thorough, and attentive to detail.

scrutinize

verb

To examine or inspect closely and thoroughly.

seaboard

noun

The land along the edge of a sea or ocean.

seclusion

noun

The state of being private and away from others.

sectional

adjective

Relating to or divided into separate sections.

secured

verb

Made safe, fastened firmly, or successfully obtained.

sensitive

adjective

Able to notice or react to small changes.

separate

verb, adjective

To divide or keep things apart; not joined together.

serene

adjective

Calm, peaceful, and untroubled.

shifted

verb

Moved or changed from one position, direction, or state to another.

shortcut

noun

A faster or easier way to reach a place or finish a task.

skeptical

adjective

Not easily convinced; having doubts.

solace

noun

Comfort or consolation in a time of distress.

solemn

adjective

Formal and dignified; deeply serious.

solicit

verb

To ask for or try to obtain something.

solitary

adjective

Alone or by oneself, without others.

solvent

noun

A liquid that can dissolve other substances.

somber

adjective

Dark or dull in color or tone; gloomy.

soothe

verb

To calm or comfort.

spectacle

noun

A striking or impressive public display.

spectator

noun

A person who watches an event.

sporadic

adjective

Occurring at irregular intervals; scattered.

sprawling

adjective

Spread out over a large, irregular area.

stagnant

adjective

Not flowing or moving; inactive.

stamina

noun

The ability to sustain prolonged effort.

standard

noun

An accepted level of quality or a rule used for measuring things.

startled

adjective

Suddenly surprised or alarmed by something unexpected.

startling

adjective

Very surprising or sudden.

statehood

noun

The condition of being a recognized state or nation.

steadfast

adjective

Resolutely firm and unwavering.

stifle

verb

To restrain or suppress a feeling or action.

stipulate

verb

To demand or specify as part of an agreement.

stoic

adjective, noun

Enduring pain without complaint; an unemotional person.

strategic

adjective

Carefully planned to achieve a long-term goal.

strife

noun

Angry or bitter disagreement; conflict.

stringent

adjective

Strict, precise, and exacting.

structure

noun

The way parts are arranged or built together; also, a building.

subordinate

adjective, noun

Lower in rank; a person under the authority of another.

subsidize

verb

To support financially.

substantial

adjective

Of considerable importance, size, or worth.

subtle

adjective

Not obvious; delicate or faint.

subtlety

noun

The quality of being delicate or difficult to detect.

succinct

adjective

Briefly and clearly expressed.

suffice

verb

To be enough or adequate.

superficial

adjective

Existing or occurring at the surface; shallow.

superfluous

adjective

Unnecessary; more than what is needed.

supplement

noun, verb

An addition; to add to something.

suppress

verb

To forcibly put an end to; to restrain.

surge

noun, verb

A sudden powerful forward movement; to move powerfully.

surmise

noun, verb

A guess; to suppose without firm evidence.

surpass

verb

To exceed or be greater than.

surveyed

verb

Looked over carefully, or gathered opinions from a group.

survival

noun

The act of continuing to live, especially through hardship.

survive

verb

To continue living or existing after danger or difficulty.

susceptible

adjective

Likely to be influenced or harmed by something.

sustain

verb

To keep something going over time; to support.

swagger

noun

A bold, confident way of walking or acting.

swollen

adjective

Larger than usual because of injury, fluid, or pressure.

symbol

noun

An object, mark, or sign that stands for an idea.

tangible

adjective

Clear and definite; able to be touched.

technique

noun

A particular method or skill used to do something.

tedious

adjective

Too long, slow, or dull; tiresome.

temporary

adjective

Lasting for only a short time.

tension

noun

Mental strain, or the pulling force between two things.

tentative

adjective

Not certain or fixed; hesitant.

tenuous

adjective

Very weak or slight.

terminate

verb

To bring to an end.

terrain

noun

A stretch of land, especially considering its physical features.

territory

noun

An area of land controlled by a country, group, or animal.

testable

adjective

Able to be tried out or checked for truth.

theorem

noun

A rule or statement in math that has been proven true.

threshold

noun

A strip at the bottom of a door; the beginning point.

thrive

verb

To grow or develop well; to prosper.

thwart

verb

To prevent someone from accomplishing something.

timetable

noun

A chart that shows the planned times of events or trips.

tirade

noun

A long, angry speech of criticism.

toil

noun, verb

Exhausting physical labor; to work extremely hard.

tolerate

verb

To allow the existence of without interference.

track

verb, noun

To follow or record movement or progress; a path or course.

training

noun

Practice or instruction that builds skill or knowledge.

tranquil

adjective

Free from disturbance; calm.

transcend

verb

To go beyond the limits of.

transform

verb

To change completely in form or nature.

transient

adjective

Lasting only for a short time.

transmit

verb

To send or pass something from one place or person to another.

transparent

adjective

Allowing light to pass through; easily understood.

traverse

verb

To travel across or through.

treacherous

adjective

Guilty of betrayal; presenting hidden dangers.

tribute

noun

Something said, given, or done to show respect or admiration.

triumph

noun

A great success or victory.

trivial

adjective

Of little value or importance.

tumult

noun

A loud, confused noise or commotion.

turbulent

adjective

Characterized by conflict, disorder, or confusion.

unanimous

adjective

Fully in agreement.

uncanny

adjective

Strange or mysterious in a way that feels hard to explain.

uncertain

adjective

Not known for sure; not confident.

underdog

noun

A person or team expected to lose in a contest.

undermine

verb

To damage or weaken gradually.

unequal

adjective

Not the same in size, amount, or rights.

uniform

noun

Identical clothing worn by members of a group; also means the same throughout.

universal

adjective

Affecting or shared by all people or things.

unprecedented

adjective

Never done or known before.

unruly

adjective

Difficult to control; disorderly.

unscrupulous

adjective

Having no moral principles; dishonest.

unusual

adjective

Different from what is normal or expected.

uphold

verb

To confirm or support something that has been challenged.

urgency

noun

The need to act quickly and without delay.

urgent

adjective

Requiring immediate action.

usurp

verb

To take a position of power illegally or by force.

utmost

adjective, noun

Most extreme; the greatest degree.

utter

adjective, verb

Complete; to say or speak.

valid

adjective

Having a sound basis in logic; legally acceptable.

valor

noun

Great courage in the face of danger.

vanquish

verb

To defeat thoroughly.

variable

adjective, noun

Not consistent; an element that is liable to change.

vehement

adjective

Showing strong feeling; forceful and passionate.

venerable

adjective

Accorded great respect because of age or wisdom.

venting

verb

Letting out air, gas, or strong feelings.

venture

noun, verb

A risky undertaking; to dare to do something.

verbose

adjective

Using more words than needed; wordy.

verify

verb

To make sure that something is true or accurate.

versatile

adjective

Able to adapt to many different functions.

viable

adjective

Capable of working successfully; feasible.

vibrant

adjective

Full of energy and life; bright.

vigilant

adjective

Keeping careful watch for possible danger.

vigorous

adjective

Strong, healthy, and full of energy.

vindicate

verb

To clear of blame or suspicion.

virtue

noun

Behavior showing high moral standards.

visible

adjective

Able to be seen.

vivid

adjective

Producing powerful feelings or strong, clear images.

volatile

adjective

Liable to change rapidly and unpredictably.

volunteers

noun

People who do work willingly without being paid.

voracious

adjective

Wanting or consuming great quantities.

vulnerable

adjective

Susceptible to physical or emotional harm.

wane

verb

To decrease gradually in size, strength, or power.

wary

adjective

Feeling or showing caution about possible dangers.

whimsical

adjective

Playfully quaint or fanciful; unpredictable.

wield

verb

To hold and use a weapon or tool; to exert power.

willful

adjective

Intentional; stubbornly determined.

wrath

noun

Extreme anger.

yearn

verb

To have an intense feeling of longing.

zealous

adjective

Having great energy or enthusiasm for a cause.

zenith

noun

The time at which something is most powerful; the peak.