28
caustic(adjective, mean, attack, strong, respect)
26
sarcastic(adjective, mean, strong, evil, sharp)
25
bitter(adjective, mean, strong, evil, sharp)
24
biting(adjective, mean, attack, strong, respect)
23
acerbic(adjective, mean, attack, respect, evil)
23
cutting(verb, adjective, mean, attack, strong)
22
acrimonious(adjective, mean, strong, tough, nasty)
21
sharp(adjective, mean, attack, strong, respect)
21
tart(noun, adjective, strong, tough, taste)
18
acrid(adjective, attack, strong, respect, tough)
18
harsh(adjective, tough, sharp, lively, awkward)
18
mordant(adjective, mean, attack, strong, respect)
18
trenchant(adjective, mean, attack, strong, respect)
17
incisive(adjective, strong, sharp, intense, speech)
16
acidulous(adjective, severe, taste, sharp, bitter)
16
sour(adjective, strong, taste, sharp, nasty)
15
virulent
15
vitriolic(adjective, attack, respect, severe, sharp)
13
pungent(adjective, attack, strong, respect, sharp)
13
scathing(adjective, attack, strong, respect, sharp)
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APASmart Define. (2015). acid thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/acid/thesaurus/synonyms
ChicagoSmart Define. 2015. "acid thesaurus" https://smartdefine.org/acid/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, acid thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/acid/thesaurus/synonyms>.
MLASmart Define. "acid thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/acid/thesaurus/synonyms>