abnormal absonant anomalous atonal cacophonous cracked deviant diaphonic disconsonant discordant disharmonic disharmonious dissonant divergent flat grating harsh immelodious inharmonic inharmonious musicless nonmelodious off off-tone out of pitch out of tone out of tune raucous sharp shrill sour strident tuneless unharmonious unmelodious unmusical unnatural unregular untunable untuned untuneful