absonant
cacophonous
cracked
diaphonic
disconsonant
discordant
disharmonic
disharmonious
dissonant
flat
grating
harsh
immelodious
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
blood-chilling
call-and-response
choral
ear-splitting
four-bedroom
four-part
low-pitched
melodic
sibilant
spine-chilling
symphonic
teeth-jarring
toneless
torsional
conal
monoclonal
tonal