Abandon: give up

Abbreviate: shorten

Abduct: kidnap

Abiding: enduring

Abject: wretched

Abolish: do away with; void

Abstain: refrain

Abstruse: hard to understand

Abundant: plentiful

Accelerate: hasten; speed up

Accentuate: emphasize

Accessible: approachable, obtainable

Acclaim: hail

Accommodation: room and meals

Accretion: Accumulation

Acquit: exculpate, exonerate

Acrid: bitter

Acrimonious: sharp in speech or manner

Adamantly: inflexibly

Adaptable: pliable

Adequate: sufficient

Adjoining: adjacent, neighboring

Admonish: warn

Adolescent: juvenile

Adulterate: make impure

Adversary: antagonist

Adversely: negatively, unfavorably

Affectionate: loving

Affable: amiable, friendly

Affluent: wealthy, abundant

Aggravate: worsen, irritate

Agility: nimbleness

Agitation: nervousness

Agrarian: agricultural

Ailment: illness, disease

Alienate: make unfriendly

Aliment: food, nourishment

Allocate: allot, apportion

Alliance: league, union

Aloft: high

Amendment: revision

Amenity: comfort

Amplify: strengthen, enlarge, magnify

Anchor: secure, fasten

Ancestor: antecedent, forebear

Annoying: bothersome

Antagonistic: quarreling

Antipathy: aversion

Apathetic: unconcerned, indifferent

Apparel: clothes, attire, garment

Appealing: attractive

Appease: pacify, assuage

Appendix: addendum, supplement

Applaud: hail, acclaim

Appropriate: proper, suitable

Appropriation: funding

Archaic: old-fashioned, ancient

Arduous: laborious

Arid: dry

Aromatic: fragrant

Arouse: provoke, excite, stir up

Artificial: unnatural, synthetic

Artful: sly, crafty

Assert: emphatically state, affirm

Assess: appraise, evaluate

Assiduous: diligent, industrious

Astonishing: astounding

Astute: shrewd

Augment: increase

Auspicious: favorable

Authentic: genuine

Aviator: pilot

Ban: forbid

Barter: trade

Beak: bill

Beam: ray

Beneficial: favorable, advantageous

Bizarre: odd, weird, queer

Bleach: whiten

Bleak: desolate, forlorn

Blubber: fat of whale, cry loudly

Blunder: mistake

Blunt: obtuse, dull

Blur: dim, faint

Boast: brag

Boost: raise

Brittle: breakable, fragile

Brook: rivulet, endure, tolerate

Bulge: swell

Bulky: cumbersome

Bump into: collide with

Burrow: den

Calamity: disaster, great misfortune

Captivate: attract, lure, draw

Cavern: cave

Celebrated: distinguished, renowned

Ceramics: pottery

Champion: advocate

Characteristic: typical

Chill: coldness

Chronic: habitual

Circuitous: indirect

Climax: high point

Clot: curdle, coagulate

Cluster: bunch, group

Coherent: consistent, logical

Coin: invent

Colossal: huge, vast, monumental, gigantic

Comely: attractive, fair

Commodious: roomy, spacious

Compassion: sympathy

Compliment(s): admiration, greetings

Component: ingredient

Conceal: hide, keep secret

Conceivable: imaginable

Concise: succinct, terse, laconic

Concoct: devise

Confound: bewilder, puzzle, perplex

Congest: fill, overcrowd

Conglomerate: aggregate

Considerable: great

Considerate: attentive, thoughtful

Conspicuous: obvious, apparent, evident

Constraint: restriction, confinement

Contagious: communicable, infectious

Contamination: pollution

Contemporary: modern, up-to-date

Contention: argument

Contour: outline, configuration

Contradictory: paradoxical

Controversial: contentious

Copious: plentiful

Cosmetic: makeup

Covet: crave, desire

Crest: summit, apex, peak, zenith, pinnacle

Criterion: standard

Crucial: important

Crumble away: disintegrate

Culpable: guilty

Curb: restrict

Dank: humid, moist, damp

Daze: stun

Deadlock: impasse, dilemma

Decay: decompose

Decrepit: aged

Defiant: disobedient, rebellious

Deflect: deviate

Defy: resist openly

Delete: cross out, obliterate

Deliberate: intentional

Delicacy: dainty, fineness, weakness

Demeanor: deportment, conduct

Demolish: destroy, wreck

Denounce: condemn, accuse publicly

Depict: portray

Deplete: use up, exhaust, drain

Deprive: bereave, dispossess, divest, strip

Designate: point out, name, appoint

Desolate: barren

Deter: inhibit

Devastating: destructive

Deviate: turn aside, diverge, deflect

Devoid: without

Devour: consume, eat hungrily

Diabolic: devilish, fiendish

Devout: pious

Diffuse: spread

Dilapidated: run-down, broken-down

Dilate: expand

Dilatory: tardy

Dilemma: predicament

Diligent: assiduous, hard-working

Dim: weak, faint, obscure

Diminish: reduce, decrease, dwindle, lessen

Diminutive: tiny, minute, minuscule

Dip: immerse briefly

Dire: dreadful, terrible, urgent

Discharge: emit, give off, release, liberate

Disciple: follower, pupil

Discord: conflict, disagreement

Discreet: gingerly, prudent

Discrete: separate, distinct

Disharmony: discord

Discrepancy: difference, inconsistency

Discriminate: distinguish, differentiate

Disparage: belittle

Disparate: different

Dispensary: clinic, infirmary

Disperse: scatter

Disrupt: break apart

Distinct: separate

Distinguished: celebrated, eminent

Distort: misrepresent

Divest: strip, deprive

Divine: holy, sacred

Do away with: abolish

Domesticate: tame

Dormant: hibernating, inactive, sluggish

Doze: nap

Dreadful: dire, awesome

Droll: amusing

Drowsiness: sleepiness

Drudgery: tedium

Dwindle: diminish

Ebullience: enthusiasm, effervescence

Edify: instruct

Elaborate: complicated, in great detail

Eligible: entitled, qualified

Eliminate: rule out, get rid of, remove, omit

Embrace: include, encircle, hug

Eminent: distinguished, prominent

Endemic: native

Endowment: gift

Enhance: increase

Enormous: tremendous, huge, vast

Enraged: angry

Entail: require

Entreat: appeal, beseech, solicit, beg

Ephemeral: short-lived, transitory

Equilibrium: balance

Eradicate: extirpate, uproot, wipe out

Erudite: learned, scholarly

Erupt: explode

Escalate: rise

Evacuate: remove

Evaporate: vanish

Evident: obvious, apparent

Exaggerate: overstate

Excavate: dig out, unearth, exhume

Excerpt: short selection, extract

Exclusive: sole

Exemplar: model

Exempt: free from

Exhaust: use up, drain

Exhausting: grueling

Exhaustive: thorough

Exile: banish, expel

Exotic: foreign

Exorbitant: excessive

Expedient: convenient, useful

Expedite: speed up, accelerate

Exquisite: graceful, delicate, carefully done

Exterminate: destroy, wipe out, eradicate

Extraneous: irrelevant

Extraordinary: phenomenal, unusual

Extravagant: excessive, wasteful

Extricate: set free

Exude: issue, ooze

Exult: glory

Fabric: textile, structure

Facile: effortless

Facilitate: make easy, with facilities

Fake: phony, not genuine, false

Fanciful: imaginary

Far-reaching: widespread

Fascinate: intrigue: charm, captivate

Fatigue: weariness, exhaustion

Fecund: productive, fertile, prolific

Feeble: weak, infirm

Feral: untamed, wild

Ferocious: fierce, savage

Fetid: stinking, putrid

Fictitious: imaginary, false

Filament: slender thread, strand

Flag: droop, grow weak

Flagrant: outrageous, egregious, heinous

Flake: chip

Flavor: taste, savor

Flourish: thrive, prosper

Fluctuate: alternate

Foe: opponent, adversary

Foliage: leaves

Forbid: ban, prohibit

Forlorn: abandoned, miserable, wretched

Formerly: hitherto, in the past

Fortify: strengthen, reinforce

Foster: nurture, bring up, rear

Fowl: poultry

Fraction: a small part

Fragile: weak, breakable

Frontier: border

Frugal: thrifty

Fusion: blending, union

Gallant: courtly, stately, imposing