Synonyms|33Antonyms|0|Broader|0Narrower|0Related|39
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perspicacious
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prudent
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quick
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quick-witted
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rational
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reasonable
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sagacious
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sensible
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sharp
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sharp-witted
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shrewd
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speedy
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witty
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APASmart Define. (2013). brainiest thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/brainiest/thesaurus/synonyms
ChicagoSmart Define. 2013. "brainiest thesaurus" https://smartdefine.org/brainiest/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, brainiest thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/brainiest/thesaurus/synonyms>.
MLASmart Define. "brainiest thesaurus" 17 May 2013. Web. 21 September 2026. <https://smartdefine.org/brainiest/thesaurus/synonyms>