41 entries under flat topic. ×

11
harsh(adjective, hard, severe, sharp)
8
discordant(adjective, hard, severe, sharp)
2
cracked(adjective, hard, severe, sharp)
2
off-key(adjective, hard, severe, sharp)
2
sharp(adjective, hard, severe, rough)
2
sour(adjective, hard, severe, sharp)
1
acrid(adjective, hard, severe, sharp)
1
asperous(adjective, hard, severe, sharp)
1
astringent(adjective, hard, severe, sharp)
1
bitter(adjective, hard, severe, sharp)
1
bleak(adjective, hard, severe, sharp)
1
caterwauling(adjective, hard, severe, sharp)
1
clashing(adjective, hard, severe, sharp)
1
coarse(adjective, hard, severe, sharp)
1
craggy(adjective, hard, severe, sharp)
1
creaking(adjective, hard, severe, sharp)
1
croaking(adjective, hard, severe, sharp)
1
disagreeing(adjective, hard, severe, sharp)
1
disturbing(adjective, hard, severe, sharp)
1
earsplitting(adjective, hard, severe, sharp)
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APASmart Define. (2015). tuneless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/tuneless/thesaurus/synonyms
ChicagoSmart Define. 2015. "tuneless thesaurus" https://smartdefine.org/tuneless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, tuneless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/tuneless/thesaurus/synonyms>.
MLASmart Define. "tuneless thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/tuneless/thesaurus/synonyms>