46 entries under caustic topic. ×

1
acid(adjective, strong, sharp, unpleasant, powerful)
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acidic(adjective, sharp, unpleasant, bitter, sour)
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acidulated(adjective, sharp, unpleasant, bitter, sour)
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astringent(adjective, keen, sharp, unpleasant, lively)
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bad(adjective, sharp, unpleasant, bitter, sour)
1
briny(adjective, sharp, unpleasant, bitter, sour)
1
curdled(adjective, sharp, unpleasant, bitter, sour)
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cutting(adjective, strong, sharp, unpleasant, powerful)
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dry(adjective, sharp, unpleasant, bitter, sour)
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fermented(adjective, sharp, unpleasant, bitter, sour)
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green(adjective, sharp, unpleasant, bitter, sour)
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musty(adjective, sharp, unpleasant, bitter, sour)
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penetrating(adjective, strong, severe, sharp, powerful)
1
rancid(adjective, sharp, unpleasant, bitter, sour)
1
soured(adjective, sharp, unpleasant, bitter, sour)
1
sourish(adjective, sharp, unpleasant, bitter, sour)
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tart(adjective, strong, severe, sharp, unpleasant)
1
turned(adjective, sharp, unpleasant, bitter, sour)
1
unpleasant(adjective, sharp, bitter, sour, musty)
1
unripe(adjective, sharp, unpleasant, bitter, sour)
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APASmart Define. (2015). peppery thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/peppery/thesaurus/synonyms
ChicagoSmart Define. 2015. "peppery thesaurus" https://smartdefine.org/peppery/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, peppery thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/peppery/thesaurus/synonyms>.
MLASmart Define. "peppery thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/peppery/thesaurus/synonyms>