Synonyms and related words :
abominable, abrupt, annoying, antagonistic, antipathetic, at cross-purposes, at loggerheads, at odds, at variance, at war, bad-tempered, bearish, bitchy, bitter, blunt, brusque, cankered, cantankerous, churlish, clashing, contradictory, contrary, crabbed, cranky, cross, cross-grained, crusty, curt, cussed, differing, disaccordant, disagreeing, discordant, discourteous, discrepant, disgusting, disharmonious, dislikable, disobliging, displeasing, disproportionate, dissident, dissonant, distasteful, distressing, disturbing, divergent, excitable, feisty, foul-tasting, fractious, fretful, grating, grouchy, had, hostile, huffish, huffy, ill, ill-flavored, ill-humored, ill-mannered, ill-tempered, immiscible, impolite, inaccordant, incompatible, inharmonious, inhospitable, irascible, irritable, jangling, jarring, mean, morose, nasty, nauseating, nauseous, negative, noxious, objectionable, obnoxious, odious, offensive, ornery, out of accord, out of whack, peevish, perverse, pettish, petulant, querulous, repellent, repugnant, repulsive, revolting, rotten, rude, short, sickening, snappish, snappy, sour, spiteful, spleeny, splenetic, sulky, sullen, testy, thankless, ugly, unaffectionate, unalluring, unamiable, unappealing, unappetizing, unattractive, unbenign, unbenignant, uncivil, uncompassionate, uncompassioned, uncongenial, uncooperative, uncordial, uncourtly, undelectable, undelicious, undesirable, unengaging, unenjoyable, unfriendly, ungenial, ungracious, unhappy, unharmonious, uninviting, unkind, unkindly, unlikable, unloving, unpalatable, unpleasant, unpleasing, unsavory, unsympathetic, unsympathizing, untasteful, untasty, unwelcome, variant, waspish, whiny, woeful