51 entries under caustic topic. ×

1
green(adjective, sharp, unpleasant, bitter, sour)
1
musty(adjective, sharp, unpleasant, bitter, sour)
1
rancid(adjective, sharp, unpleasant, bitter, sour)
1
soured(adjective, sharp, unpleasant, bitter, sour)
1
sourish(adjective, sharp, unpleasant, bitter, sour)
1
turned(adjective, sharp, unpleasant, bitter, sour)
1
unripe(adjective, sharp, unpleasant, bitter, sour)
1
unwholesome(adjective, sharp, unpleasant, bitter, sour)
1
with a kick(expression, adjective, idiom, sharp, unpleasant)
0
mean(adjective, severe, harsh, bleak, stark)
0
zesty(strong, sharp, powerful, bitter)
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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>