48 entries under caustic topic. ×

9
zesty(adjective, strong, taste, sharp, speech)
8
astringent(adjective, attack, respect, sharp, harsh)
7
acerbic(adjective, attack, respect, severe, sharp)
6
severe(adjective, strong, sharp, powerful, penetrating)
6
vinegary(adjective, strong, sharp, unpleasant, bitter)
5
acidulous(adjective, severe, sharp, unpleasant, bitter)
5
unripe(adjective, sharp, unpleasant, bitter, sour)
4
acerb(adjective, sharp, unpleasant, bitter, critical)
4
acidic(adjective, attack, respect, sharp, unpleasant)
3
acidulated(adjective, sharp, unpleasant, bitter, sour)
2
acetous(adjective, sharp, unpleasant, bitter, sour)
2
dry(adjective, sharp, unpleasant, bitter, critical)
2
green(adjective, sharp, unpleasant, bitter, sour)
2
musty(adjective, strong, sharp, offensive, unpleasant)
2
rancid(adjective, hard, sharp, unpleasant, foul)
2
soured(adjective, sharp, unpleasant, bitter, sour)
2
sourish(adjective, sharp, unpleasant, bitter, sour)
2
unsavory(adjective, strong, sharp, offensive, unpleasant)
1
acetic(adjective, sharp, unpleasant, bitter, sour)
1
acetose(adjective, sharp, unpleasant, bitter, critical)
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APASmart Define. (2015). pungent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/pungent/thesaurus/synonyms
ChicagoSmart Define. 2015. "pungent thesaurus" https://smartdefine.org/pungent/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, pungent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/pungent/thesaurus/synonyms>.
MLASmart Define. "pungent thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/pungent/thesaurus/synonyms>