4
sarcastic(adjective, sharp, harsh, unpleasant, unfriendly)
3
brisk(adjective, severe)
3
contracting(adjective, contraction, constrictive)
3
demanding(adjective, severe)
3
dry(adjective, hard, severe, sharp, flat)
3
exacting(adjective, severe)
3
gruff(adjective, severe, bleak, stark, austere)
3
meticulous(adjective, severe)
3
rigourous
3
tonic(adjective, harsh)
3
unrelenting(adjective, strong, hard, tough, severe)
3
vitriolic(adjective, attack, respect)
2
abrupt(adjective, severe)
2
acetous(adjective, sharp, unpleasant, bitter, sour)
2
alum
2
amaroidal(adjective, sharp, harsh, bitter, sour)
2
asperous(adjective, hard, severe, sharp, flat)
2
barbed
2
binding
2
bleak(adjective, hard, severe, sharp, flat)
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APASmart Define. (2015). astringent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/astringent/thesaurus/synonyms
ChicagoSmart Define. 2015. "astringent thesaurus" https://smartdefine.org/astringent/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, astringent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/astringent/thesaurus/synonyms>.
MLASmart Define. "astringent thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/astringent/thesaurus/synonyms>