Academic Vocabulary Prefixes

A collection of general academic vocabulary words organized by prefixes indicating negation, opposition, time, and direction, based on lecture notes.

apathetic

Cold or unconcerned about a situation.

atheist

A person who does not believe in God and does not pray.

amorphous

Having no fixed shape; messy or disorganized.

anonymous

Unnamed or unidentified, such as an unsigned letter.

analphabetic

Unable to read or write; illiterate.

anesthesia

A state of temporary loss of sensation or awareness, often for medical reasons.

aesthetics

The study or appreciation of beauty, especially in art or architecture.

abysmal

Bottomless or extremely bad, such as terrible living conditions.

atrophy

The wasting away of body tissue or organ, often due to lack of use.

anemic

Weak or lacking vigor; also refers to suffering from a lack of red blood cells.

asymptomatic

Showing no symptoms of a disease or infection.

amoral

Having no moral standards or being indifferent to right and wrong.

analgesic

A medication or substance used to relieve pain.

arrhythmia

A condition in which the heart beats with an irregular or abnormal rhythm.

anecdotal

Based on personal accounts or stories rather than research or solid facts.

antipathy

A strong feeling of dislike or opposition.

antibiotic

A medicine that inhibits the growth of or destroys microorganisms.

antidote

A remedy that counteracts a poison or an unpleasant situation.

antonym

A word that has the opposite meaning of another word.

antibody

A protein produced by the body to fight against viruses or bacteria.

anti-inflammatory

A drug or substance that reduces inflammation or swelling.

antiseptic

A substance that prevents the growth of disease-causing microorganisms.

counter

To respond to an accusation or action with an opposing one.

contradict

To deny the truth of a statement by asserting the opposite.

contraband

Goods that have been imported or exported illegally.

controversial

Causing public disagreement or heated debate.

counterfeit

A fake imitation of something valuable, like money or a signature.

counteract

To act against something in order to reduce its force or neutralize it.

encounter

An unexpected meeting or a formal confrontation with difficulties.

counterpart

A person or thing that holds a corresponding position in another place.

disinterested

Impartial and unbiased; not influenced by personal gain.

dissect

To cut open a plant or animal to study its internal structure.

distant

Far away in space or time; or appearing remote in manner.

disability

A physical or mental condition that limits a person's activities.

discount

To disregard a possibility or a reduction in the price of something.

disclose

To reveal or make information known to the public.

disorder

A state of confusion or a specific physical or mental illness.

display

To show or exhibit something clearly for others to see.

disembodied

Existing without a physical body, such as a voice from a radio.

diffident

Lacking self-confidence; shy and modest.

diffuse

To spread out over a wide area, or being overly wordy in speech.

dilate

To make or become wider, larger, or more open.

discrepancy

A lack of similarity or the presence of a difference between two accounts.

disparage

To belittle someone or regard them as being of little worth.

disparate

Essentially different in kind; not allowing comparison.

disseminate

To spread or circulate information or knowledge widely.

divide

To separate into parts or to calculate the division of numbers.

dismantle

To take a machine or structure to pieces.

disavow

To deny any responsibility or support for something.

dissuade

To persuade someone not to take a particular course of action.

insatiable

Impossible to satisfy, such as a constant demand for resources.

infinite

Endless or limitless in space, extent, or size.

incessant

Continuing without pause or interruption; never-ending.

illicit

Forbidden by law, rules, or custom; illegal.

inimitable

So good or unique that it is impossible to copy.

insomnia

The habitual inability to sleep.

impartially

In a way that is not biased; fairly.

impervious

Not allowing fluid to pass through, or unable to be affected by criticism.

impecunious

Having little or no money; poor.

impair

To weaken or damage something, especially a human faculty or function.

immobilize

To prevent someone or something from moving.

irrepressible

Not able to be controlled or restrained.

illiterate

Unable to read or write.

irreversible

Not able to be undone or altered.

intrepid

Fearless and adventurous.

intuit

To understand or work out by instinct rather than conscious reasoning.

incongruous

Not in harmony or keeping with the surroundings or other aspects of something.

unconscious

Not awake or aware of and responding to one's environment.

unforeseen

Not anticipated or predicted; unexpected.

untenable

Not able to be maintained or defended against objection or attack.

unwavering

Steady or resolute; not moving or shaking.

uncompromising

Unwilling to make concessions or change one's mind.

uninhabited

Having no people living in a particular place.

unabashed

Not embarrassed, disconcerted, or ashamed.

uncontested

Not challenged or disputed.

undaunted

Not intimidated or discouraged by difficulty, danger, or disappointment.

unkempt

Having an untidy or disheveled appearance.

unnerving

Causing one to lose courage or confidence.

unscathed

Without suffering any injury, damage, or harm.

unleash

To release a powerful or destructive force.

unravel

To investigate and solve or to fall apart.

unbridled

Uncontrolled or unconstrained.

undocumented

Lacking official papers or legal status.

unwind

To undo something coiled or to relax after a period of work.

nonprofit

Not for the purpose of making money or profit.

nonalcoholic

Containing no alcohol.

nonpartisan

Not biased toward or affiliated with any particular political party.

nonfiction

Prose writing that is based on facts, real events, and real people.

nonstop

Continuing without stopping or pausing.

noncommittal

Not expressing or revealing a clear opinion or course of action.

anteroom

A small outer room that leads to a larger one, often used as a waiting room.

ante

A stake put up in a game or an amount to be paid; to increase the level of something.

anterior

Nearer to the front of the body or a structure.

antique

A collectible object such as a piece of furniture that has a high value because of its age.

antiquated

Old-fashioned or outdated.

anticipate

To regard as probable; to expect or predict.

ancestor

A person from whom one is descended.

ancient

Belonging to the very distant past.

preschool

Relating to the time before a child is old enough to go to primary school.

precocious

Having developed certain abilities at an earlier age than is usual.