| Main Entry: | |
| Part of Speech: | verb |
| Definition: | counteract |
| Synonyms: | abrogate, annul, balance, cancel, compensate for, conquer, counterbalance, countercheck, counterpoise, countervail, defeat, frustrate, invalidate, negate, negative, nullify, offset, overcome, override, overrule, redress, subdue, undo |
| Main Entry: | antagonize |
| Part of Speech: | verb |
| Definition: | cause problem; oppose |
| Synonyms: | alienate, anger, annoy, counteract, estrange, insult, irritate, neutralize, offend, repel, struggle, work against |
| Antonyms: | agree, aid, help |
| Main Entry: | balance |
| Part of Speech: | verb |
| Definition: | make equal; cause to have equilibrium |
| Synonyms: | accord, adjust, attune, cancel, collate, come out, come out even, compensate, correspond, counteract, counterbalance, equalize, equate, even, harmonize, level, make up for, match, neutralize, nullify, offset, oppose, pair off, parallel, poise, readjust, redeem, set, square, stabilize, steady, tie, weigh |
| Antonyms: | disproportion, overbalance, unbalance |
| Main Entry: | cancel |
| Part of Speech: | verb |
| Definition: | equal out |
| Synonyms: | abort, abrogate, annul, balance out, call off, compensate for, counteract, counterbalance, countercheck, countermand, counterpoise, declare invalid, discard, discharge, frustrate, ignore, invalidate, make up for, negate, neutralize, nullify, offset, overthrow, put an end to, recall, recant, redeem, redress, refute, render inert, render null and void, repeal, repudiate, rescind, retract, revoke, rule out, set aside, suppress, vacate, void |
| Antonyms: | imbalance, tip |
| Main Entry: | check |
| Part of Speech: | verb |
| Definition: | hinder, restrain |
| Synonyms: | arrest, baffle, bar, bit, bottleneck, bridle, checkmate, choke, circumvent, constrain, control, counteract, curb, cut short, delay, discourage, foil, frustrate, halt, harness, hold, hold back, hold down, hold in, impede, inhibit, interrupt, keep back, limit, moderate, neutralize, nip in the bud, obstruct, obviate, pause, play for time, preclude, prevent, rebuff, reduce, rein in, repress, repulse, retard, slacken pace, slow down, snub, squelch, stay, stop, suppress, tame, terminate, thwart, withhold |
| Antonyms: | aid, allow, assist, expedite, help, indulge, liberate, permit |
| Main Entry: | compensate |
| Part of Speech: | verb |
| Definition: | offset, make up for |
| Synonyms: | abrogate, annul, atone for, balance, better, cancel out, counteract, counterbalance, counterpoise, countervail, fix, improve, invalidate, make amends, negate, negative, neutralize, nullify, outweigh, redress, repair, set off |
| Antonyms: | damage, deprive, penalize |
| Main Entry: | counteract |
| Part of Speech: | verb |
| Definition: | do opposing action |
| Synonyms: | annul, buck, cancel, cancel out, check, contravene, correct, counterbalance, countercheck, countervail, counterwork, cross, defeat, fix, foil, frustrate, go against, halt, hinder, invalidate, negate, negative, neutralize, offset, oppose, prevent, rectify, redress, resist, right, thwart |
| Antonyms: | aid, approve, assist, help, support |
| Main Entry: | defeat |
| Part of Speech: | verb |
| Definition: | frustrate |
| Synonyms: | baffle, balk, beat down, beat the system, blank, block, bury, cast down, cause setback, checkmate, circumvent, confound, contravene, cook*, counterplot, cross, disappoint, discomfit, disconcert, disprove, edge out, foil, invalidate, neutralize, nonplus, nose out, nullify, outwit, overturn, put end to, puzzle, quell, reduce, refute, ruin, scuttle, shave, shellac, skunk, spoil, squash, stump, subdue, subjugate, surmount, take wind out of sails, throw for loop, thwart, undo, victimize |
| Notes: | decimate means to kill or destroy in large numbers; defeat means to win a victory over or to beat |
| Antonyms: | abet, aid, encourage, help, inspirit |
| Main Entry: | deodorize |
| Part of Speech: | verb |
| Definition: | freshen |
| Synonyms: | aerate, air, depollute, disinfect, fumigate, neutralize, purify, sanitize, sterilize, sweeten, ventilate |