Synonyms|147Antonyms|72|Broader|0Narrower|0Related|993
4
clever
1
alert
1
astute
1
brainy
1
bright
1
brilliant
1
fast
1
hyperintelligent
1
intelligent(adjective, mind, behavior, idiotism)
1
keen
1
nimble
1
quick
1
quick-witted
1
savvy
1
serious
1
sharp
1
sharp-witted
1
shrewd
1
smart
1
supersmart
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APASmart Define. (2013). airheaded thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/airheaded/thesaurus/antonyms
ChicagoSmart Define. 2013. "airheaded thesaurus" https://smartdefine.org/airheaded/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2013, airheaded thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/airheaded/thesaurus/antonyms>.
MLASmart Define. "airheaded thesaurus" 28 June 2013. Web. 24 September 2026. <https://smartdefine.org/airheaded/thesaurus/antonyms>