antagonistic

marked by opposition or ill will countries that have been antagonistic towards each other for centuries Synonyms adversarial, adversary, hostile, antipathetic, inhospitable, inimical, jaundiced, mortal, negative, unfriendly, unsympatheticRelated Words adverse, argumentative, bellicose, belligerent, clashing, combative, conflicting, contentious, contrary, disputatious, militant, opposed, pugnacious, quarrelsome, resisting, scrappy, truculent; antisocial, cold, cool, disagreeable, disapproving, distant, frigid, icy; biased, prejudiced; discourteous, ill-bred, ill-mannered, impertinent, impolite, inconsiderate, rude, surly, uncivil, unfavorable, unkind, unmannerly, unpleasant, unsociable; acrimonious, bitter, despiteful, hateful, malevolent, malicious, malign, malignant, opprobrious, rancorous, spiteful, unloving, vindictive, virulentNear Antonyms affable, amiable, amicable, civil, companionable, comradely, convivial, cordial, genial, good-natured, good-tempered, gracious, gregarious, neighborly, pleasant, sociable, social, warm; affectionate, devoted, kind, kindly, loving, nice, sweet; accepting, agreeable, approving, benign, empathetic, favorable, understanding, warmhearted, welcomingAntonyms friendly, hospitable, nonantagonistic, nonhostile, sympathetic