70 entries under harsh topic. ×

4
austere(adjective, severe, nasty, lively)
4
tangy(adjective, strong, sharp, powerful)
3
acetous(adjective, sharp, unpleasant, bitter)
3
amaroidal(adjective, sharp, bitter, sour)
3
burning(adjective, lively, bitter, sour)
3
hard(adjective, severe, sharp, flat, rough)
3
penetrating(adjective, strong, sharp, powerful)
3
vinegary(adjective, sharp, unpleasant, bitter)
2
corroding(adjective, caustic, acid, biting)
2
cynical(adjective, tough, keen, sharp)
2
erosive(adjective, caustic, acid, biting)
2
pointed(adjective, strong, sharp, powerful)
2
unpleasant(adjective, severe, sharp, bitter)
1
acetic(adjective, severe, sharp, unpleasant)
1
awkward(tough, grumpy, bad-tempered, tetchy)
1
blunt(tough, awkward, grumpy, bad-tempered)
1
brusque(tough, awkward, grumpy, bad-tempered)
1
captious(adjective, tough, awkward, grumpy)
1
churlish(tough, awkward, grumpy, bad-tempered)
1
dour(adjective, tough, severe, gloomy)
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APASmart Define. (2015). acrid thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/acrid/thesaurus/synonyms
ChicagoSmart Define. 2015. "acrid thesaurus" https://smartdefine.org/acrid/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, acrid thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/acrid/thesaurus/synonyms>.
MLASmart Define. "acrid thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/acrid/thesaurus/synonyms>