Synonyms and related words :
acrid, adversary, adversative, adverse, adversive, aggressive, alien, anti, antipathetic, antithetic, antonymous, at cross-purposes, at loggerheads, at odds, at variance, at war, averse, balancing, battling, bellicose, belligerent, bitter, bloodthirsty, bloody, bloody-minded, breakaway, caustic, chauvinist, chauvinistic, clashing, colliding, combative, compensating, competitive, con, conflicting, confronting, contentious, 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, disagreeable, disagreeing, discordant, discrepant, disharmonious, disinclined, disproportionate, dissentient, dissident, dissonant, divergent, enemy, eyeball to eyeball, ferocious, fierce, fighting, fractious, full of fight, full of hate, grating, hard, harmful, hateful, hawkish, hostile, immiscible, in opposition, inaccordant, incompatible, inconsistent, inconsonant, indisposed, inharmonious, inimical, inverse, jangling, jarring, jingo, jingoish, jingoist, jingoistic, malevolent, malicious, malignant, martial, militant, militaristic, military, miserable, negative, nonconformist, noncooperative, not easy, obstinate, obverse, offensive, opponent, opposed, opposing, opposite, oppositional, oppositive, oppugnant, out of accord, out of whack, overthwart, perverse, pugnacious, quarrelsome, rancorous, reactionary, reactive, recalcitrant, refractory, renitent, repugnant, resistant, reverse, revolutionary, rigorous, rival, saber-rattling, sanguinary, sanguineous, savage, scrappy, set against, sinister, soldierlike, soldierly, sore, spiteful, squared off, stressful, trigger-happy, troublesome, troublous, truculent, trying, uncongenial, uncooperative, unfavorable, unfriendly, unharmonious, unpacific, unpeaceable, unpeaceful, unpropitious, untoward, unwilling, variant, venomous, virulent, vitriolic, warlike, warmongering, warring, wretched