6
tuneless
5
unmelodious
4
unmusical
2
atonal
2
unmelodic
1
cracked
1
disconsonant
1
discordant
1
disharmonious
1
dissonant
1
flat
1
grating
1
harsh
1
inharmonious
1
off
1
off-key
1
raucous
1
sharp
1
shrill
1
sour
<12>
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APASmart Define. (2015). untuneful thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/untuneful/thesaurus/synonyms
ChicagoSmart Define. 2015. "untuneful thesaurus" https://smartdefine.org/untuneful/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, untuneful thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/untuneful/thesaurus/synonyms>.
MLASmart Define. "untuneful thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/untuneful/thesaurus/synonyms>