List of unfriendly synonyms and unfriendly related words.
adversary, adversative, adverse, aggressive, alien, allergic, antagonistic, anti, antipathetic, antithetic, autistic, averse, bashful, battling, bellicose, belligerent, bloodthirsty, bloody, bloody-minded, chauvinist, chauvinistic, chill, chilly, clashing, close, closed, cold, combative, competitive, con, conflicting, contentious, contradictory, contrary, cool, counter, cross, disaccordant, disaffected, disenchanted, disinclined, displeased, dissentient, dissociable, enemy, ferocious, fierce, fighting, fractious, frosty, full of fight, hawkish, hostile, icy, ill, incompatible, inhospitable, inimical, insociable, jingo, jingoish, jingoist, jingoistic, martial, militant, militaristic, military, mopey, mopish, morose, negative, noncooperative, nongregarious, not charmed, obstinate, offensive, opponent, opposed, opposing, opposite, oppositional, oppositive, oppugnant, overthwart, perverse, pugnacious, put off, quarrelsome, recalcitrant, refractory, repugnant, rival, saber-rattling, sanguinary, sanguineous, savage, scrappy, self-contained, self-sufficient, snug, socially incompatible, soldierlike, soldierly, strained, sullen, tense, trigger-happy, truculent, unamiable, unamicable, unclubbable, uncommunicative, uncompanionable, uncongenial, uncooperative, uncordial, unfavorable, ungenial, ungracious, unharmonious, unhospitable, unneighborly, unpacific, unpeaceable, unpeaceful, unpropitious, unreceptive, unsociable, unsocial, warlike, warmongering, warring