AP Lang UN 1

ab-: away, from (Example: abdicate)

-ability: the quality of being (Example: ability)

-ade: a group, collection, or action (Example: blockade)

-algia: pain (Example: neuralgia)

ambi-: both, around (Example: ambidextrous)

anti-: against, opposite of (Example: antiwar)

arch-: chief, principal (Example: architect)

-ard: one who has a strong tendency toward (Example: drunkard)

astro-: related to stars or astronomy (Example: astronaut)

-athon: a sustained, prolonged activity (Example: marathon)

Acuity (noun): Sharpness or keenness of perception, understanding, or vision.

Synonym: Discernment

Antonym: Dullness

Adept (adjective): Highly skilled or proficient at something.

Synonym: Proficient

Antonym: Incompetent

Admonish (verb): To warn or reprimand firmly.

Synonym: Rebuke

Antonym: Commend

Ambiguous (adjective): Open to more than one interpretation; unclear or uncertain in meaning.

Synonym: Equivocal

Antonym: Unambiguous

Apocalyptic (adjective): Relating to or prophesying the end of the world and the events accompanying it.

Synonym: Cataclysmic

Antonym: Optimistic

Apocryphal (adjective): Of questionable or doubtful authenticity.

Synonym: Spurious

Antonym: Genuine

Appellation (noun): A name or title.

Synonym: Designation

Antonym: Anonymity

Archetype (noun): A perfect or typical example of a class or group.

Synonym: Prototype

Antonym: Aberration

Ascertain (verb): To discover with certainty; to make sure of.

Synonym: Verify

Antonym: Doubt

Assiduous (adjective): Constant in application or attention; diligent.

Synonym: Industrious

Antonym: Lackadaisical

Baize (noun): A coarse woolen fabric with a nap, used for table covers, curtains, etc.

Synonym: Felt

Antonym: Silk

Base (adjective): Low in rank, condition, or quality; morally low or mean.

Synonym: Ignoble

Antonym: Noble

Bastion (noun): A projecting part of a fortification built at an angle to the main walls, to allow defensive fire in several directions.

Synonym: Bulwark

Antonym: Vulnerability

Berate (verb): To scold or rebuke severely.

Synonym: Castigate

Antonym: Praise

Bourgeoisie (noun): The middle class, typically with reference to its perceived materialistic values or conventional attitudes.

Synonym: Patriciate

Antonym: Proletariat

Calumny (noun): The making of false and malicious statements in order to damage someone's reputation.

Synonym: Slander

Antonym: Praise

Cant (noun): Hypocritical or sanctimonious language, often used by those in a particular profession or of a particular persuasion.

Synonym: Jargon

Antonym: Sincerity

Censure (verb): To express severe disapproval of (someone or something).

Synonym: Condemn

Antonym: Commend

Choleric (adjective): Having or showing a tendency to be easily angered.

Synonym: Irascible

Antonym: Equable

Coarse (adjective): Rough or ill-refined in quality; lacking subtlety or delicacy.

Synonym: Crude

Antonym: Refined

Confute (verb): To prove (a person or assertion) to be wrong; to refute.

Synonym: Rebut

Antonym: Validate

Connoisseur (noun): An expert judge in matters of taste.

Synonym: Aficionado

Antonym: Novice

Corporeal (adjective): Of or relating to a physical, bodily existence.

Synonym: Tangible

Antonym: Ethereal

Decry (verb): To express strong public disapproval of.

Synonym: Denounce

Antonym: Praise

Defer (verb): To postpone or delay (an action or event).

Synonym: Delay

Antonym: Hasten