Synonyms and related words :
absonant, antagonistic, antipathetic, at cross-purposes, at loggerheads, at odds, at variance, at war, atonal, cacophonic, cacophonous, clashing, colliding, conflicting, contradictory, contrary, cracked, cranky, cross, diaphonic, differing, disaccordant, disagreeable, disagreeing, disconsonant, discordant, discrepant, disharmonic, disproportionate, dissentient, dissident, dissonant, divergent, flat, grating, harsh, hostile, immelodious, immiscible, inaccordant, incompatible, inharmonic, inharmonious, jangling, jarring, musicless, negative, nonmelodious, off, off-key, off-tone, out of accord, out of pitch, out of tone, out of tune, out of whack, raucous, repugnant, sharp, shrill, sour, strident, tuneless, uncongenial, unharmonious, unmelodious, unmusical, untunable, untuned, untuneful, variant