65 entries under harsh topic. ×

5
dour(adjective, close, hard, severe)
5
piquant(adjective, severe, sharp, unpleasant)
5
strict(adjective, strong, hard, tough, severe)
5
stringent(adjective, severe, cruel, serious)
4
authoritarian(adjective, strong, hard, tough, severe)
4
rigid(adjective, strong, hard, tough, severe)
4
sarcastic(adjective, sharp, unpleasant, unfriendly)
3
rigourous
3
tonic
3
unrelenting(adjective, strong, hard, tough, severe)
2
amaroidal(adjective, sharp, bitter, sour)
2
bleak(adjective, hard, severe, sharp, flat)
2
inflexible(adjective, strong, hard, tough, severe)
2
obdurate(adjective, close, strong, hard, tough)
2
relentless(adjective, close, strong, hard, tough)
2
rugged(adjective, strong, hard, tough, severe)
2
tough(adjective, strong, hard, severe)
2
unbending(adjective, close, strong, hard, tough)
2
unsparing(adjective, close, strong, hard, tough)
2
vinegary(adjective, sharp, unpleasant, bitter)
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APASmart Define. (2015). astringent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/astringent/thesaurus/synonyms
ChicagoSmart Define. 2015. "astringent thesaurus" https://smartdefine.org/astringent/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, astringent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/astringent/thesaurus/synonyms>.
MLASmart Define. "astringent thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/astringent/thesaurus/synonyms>