60 entries under harsh topic. ×

6
ear-piercing(adjective, piercing, strident, noisy)
6
earsplitting(adjective, sharp, intense, loud)
6
unmusical(adjective, loud, blatant, grating)
5
vociferous(adjective, loud, piercing, insistent)
4
blatant(adjective, loud, piercing, strident)
4
clamorous(adjective, loud, piercing, strident)
4
deafening(adjective, sharp, intense, loud)
4
strong(sharp, powerful, penetrating, piercing)
3
argute(noun, adjective)
3
clangorous
3
cutting(adjective, strong, sharp, intense)
2
biting(strong, sharp, intense, powerful)
2
boisterous(adjective, loud, piercing, strident)
2
clanging
2
clashing(adjective, loud, upsetting, irritating)
2
crisp(adjective, sharp, powerful, piercing)
2
metallic
2
obstreperous(adjective, loud, piercing, strident)
2
pungent(strong, sharp, powerful, penetrating)
1
annoying(rough, offensive, dry, upsetting)
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APASmart Define. (2016). shrill thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/shrill/thesaurus/synonyms
ChicagoSmart Define. 2016. "shrill thesaurus" https://smartdefine.org/shrill/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, shrill thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/shrill/thesaurus/synonyms>.
MLASmart Define. "shrill thesaurus" 25 January 2016. Web. 26 September 2026. <https://smartdefine.org/shrill/thesaurus/synonyms>