1
squawky(adjective, harsh)
1
stridulous(adjective, hard, severe, sharp, flat)
1
uneven(adjective, hard, severe, sharp, flat)
1
unlevel(adjective, hard, severe, sharp, flat)
1
unregular
1
unrelenting(adjective, hard, severe, sharp, flat)
1
untunable
1
untuneful
1
untypical(adjective, irregular, different, contrary, conflicting)
1
variant(adjective, irregular, different, contrary, bent)
0
abusive(adjective, severe, bleak, stark, austere)
0
acoustic
0
antithetical(adjective, different, contrary, conflicting, atypical)
0
assumed
0
austere(adjective, severe, bleak, stark, inhospitable)
0
bass
0
bituminous
0
bluesy
0
brutal(adjective, severe, bleak, stark, austere)
0
classical
11 years ago|2.1k views|share |citing 
APASmart Define. (2015). off-key thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/off-key/thesaurus/synonyms
ChicagoSmart Define. 2015. "off-key thesaurus" https://smartdefine.org/off-key/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, off-key thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/off-key/thesaurus/synonyms>.
MLASmart Define. "off-key thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/off-key/thesaurus/synonyms>