Synonyms and related words :
acrid, adversary, adversative, adverse, adversive, ajar, alien, antagonistic, anti, antipathetic, antithetic, antonymous, at cross-purposes, balancing, belligerent, bitter, breakaway, caustic, clashing, colliding, compensating, competitive, con, confronting, confused, contradicting, contradictory, contradistinct, contrapositive, contrarious, contrary, contrasted, converse, counter, counteractant, counteracting, counteractive, counterbalancing, counterpoised, countervailing, counterworking, cranky, cross, crotchety, dead against, despiteful, detrimental, differing, difficult, disaccordant, disagreeing, disconsonant, discordant, discrepant, disharmonious, dissentient, dissident, dissonant, enemy, eyeball to eyeball, fractious, full of hate, grating, hard, harmful, harsh, hateful, hostile, in opposition, incompatible, incongruent, incongruous, inconsistent, inharmonious, inimical, inverse, jangling, jangly, jarring, jostling, malevolent, malicious, malignant, miserable, negative, nonconformist, noncooperative, not easy, obstinate, obverse, off-color, off-tone, opponent, opposed, opposing, opposite, oppositional, oppositive, oppugnant, out of accord, overthwart, perverse, quarrelsome, rancorous, reactionary, recalcitrant, refractory, renitent, repugnant, resistant, reverse, revolutionary, rigorous, rival, set against, sinister, sore, spiteful, squared off, stressful, troublesome, troublous, trying, uncooperative, unfavorable, unfriendly, unharmonious, unpropitious, untoward, venomous, virulent, vitriolic, warring, wretched,