8
unmusical(adjective, discordant)
6
discordant
4
cacophonous(adjective, discordant)
4
dissonant(adjective, discordant)
4
inharmonious(adjective, discordant)
4
unmelodic
3
raspy
3
unmelodious
2
grating
2
jarring
2
nonmusical
2
tuneless
1
disagreeable
1
displeasing
1
harsh
1
rasping
1
raucous
1
strident
0
acid
0
acidic
11 years ago|917 views|share |citing 
APASmart Define. (2015). musical thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/musical/thesaurus/antonyms
ChicagoSmart Define. 2015. "musical thesaurus" https://smartdefine.org/musical/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, musical thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/musical/thesaurus/antonyms>.
MLASmart Define. "musical thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/musical/thesaurus/antonyms>