1. (a.) Not harmonious; unmusical; discordant; dissonant.

2. (a.) Conflicting; jarring; not in harmony.

absonant antagonistic antipathetic assorted at cross-purposes at loggerheads at odds at variance at war atonal cacophonic cacophonous cat-and-dog clashing colliding conflicting contradictory contrary contrasted contrasting cracked cranky cross departing deviating deviative diaphonic different differentiated differing disaccordant disagreeable disagreeing disconsonant discordant discrepant discrete discriminated disharmonic disharmonious disjoined disparate disproportionate dissentient dissident dissimilar dissonant distinct distinguished divergent diverging divers diverse diversified flat grating harsh heterogeneous hostile immelodious immiscible in disagreement inaccordant incompatible incongruous inconsistent inconsonant inharmonic irreconcilable jangling jarring many motley multifarious musicless negative nonmelodious off off-color off-key off-tone out of accord out of pitch out of tone out of tune out of whack poles apart poles asunder quarrelsome raucous repugnant separate separated several sharp shrill sour strident tuneless unconformable uncongenial unequal unharmonious unlike unmelodious unmusical untunable untuned untuneful variant varied variegated various varying widely apart worlds apart