Synonyms|215Antonyms|30|Broader|4Narrower|0Related|243
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poisonous
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precipitous
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producing venom(expression, idiom)
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razor-sharp
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red-hot
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saucy(mean, sharp, ironic, sarcastic, mocking)
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savage
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scalding
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scoffing(mean, sharp, sarcastic)
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scurrilous(mean, sharp, nasty, bitter, caustic)
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short-tempered
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shrewd
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shrill
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slashing(caustic, sarcastic)
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smart-aleck
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smart-mouthed
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snappish
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snappy
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snarky
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snarling(mean, sharp, nasty, bitter, caustic)
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APASmart Define. (2015). acerb thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/acerb/thesaurus/synonyms
ChicagoSmart Define. 2015. "acerb thesaurus" https://smartdefine.org/acerb/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, acerb thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/acerb/thesaurus/synonyms>.
MLASmart Define. "acerb thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/acerb/thesaurus/synonyms>