Synonyms and related words :
abhorrent, abjuratory, abnegative, abominable, acrid, adversary, adversative, adverse, adversive, alien, antagonistic, anti, antipathetic, antithetic, antonymous, at cross-purposes, at loggerheads, at odds, at variance, at war, awful, balancing, base, beastly, belligerent, below contempt, beneath contempt, bitter, breakaway, caustic, clashing, colliding, compensating, competitive, con, conflicting, confronting, contemptible, contradicting, contradictory, contradistinct, contrapositive, contrarious, contrary, contrasted, converse, counter, counteractant, counteracting, counteractive, counterbalancing, counterpoised, countervailing, counterworking, cranky, cross, crotchety, crude, dead against, denying, despicable, despiteful, detestable, differing, disaccordant, disaffirming, disagreeable, disagreeing, disallowing, disavowing, disclaiming, discordant, discrepant, disgusting, disharmonious, disowning, disproportionate, dissentient, dissident, dissonant, distasteful, divergent, dreadful, enemy, execrable, extraneous, extrinsic, eyeball to eyeball, fetid, forbidding, foreign, foul, fractious, frightful, full of hate, fulsome, ghastly, grating, grisly, gross, gruesome, hateful, heinous, hideous, horrible, horrid, hostile, ignoble, immiscible, inaccordant, incompatible, incongruous, inconsistent, inconsonant, inharmonious, inimical, intolerable, inverse, invidious, jangling, jarring, loathsome, malevolent, malicious, malignant, malodorous, mephitic, miasmal, miasmic, nasty, nauseating, nauseous, negative, negatory, noisome, nonconformist, noncooperative, noxious, objectionable, obnoxious, obscene, obstinate, obverse, odious, offensive, opponent, opposed, opposing, opposite, oppositional, oppositive, oppugnant, out of accord, out of whack, overthwart, perverse, quarrelsome, rancorous, reactionary, rebarbative, recalcitrant, recanting, refractory, renitent, renunciative, renunciatory, repellent, repelling, repudiative, repulsive, resistant, reverse, revocative, revocatory, revolting, revolutionary, revulsive, rival, set against, sickening, sore, spiteful, squared off, stinking, terrible, uncongenial, uncooperative, unfavorable, unfriendly, ungenial, unharmonious, unpalatable, unpleasant, unpropitious, unsavory, unsympathetic, variant, venomous, vile, virulent, vitriolic