disconsonant (?.)
- absonant
- atonal
- cacophonous
- conflicting
- cracked
- diaphonic
- discordant
- discrepant
- disharmonic
- disharmonious
- dissonant
- flat
- grating
- harsh
- immelodious
- incompatible
- incongruent
- incongruous
- inconsistent
- inharmonic
- inharmonious
- musicless
- nonmelodious
- off
- off-key
- off-tone
- out of pitch
- out of tone
- out of tune
- raucous
- sharp
- shrill
- sour
- strident
- tuneless
- unharmonious
- unmelodious
- unmusical
- untunable
- untuned
- untuneful
