Synonyms|175Antonyms|82|Broader|0Narrower|0Related|1k
4
clever
3
astute
3
cute
3
intelligent(adjective, mind, behavior, foolishness, disability)
2
bright
2
brilliant
2
intellectual
2
quick
2
quick-witted
2
rational
2
smart
1
alert
1
brainy
1
canny
1
cerebral
1
cunning
1
fast
1
good
1
hyperintelligent
1
keen
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APASmart Define. (2015). thickheaded thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/thickheaded/thesaurus/antonyms
ChicagoSmart Define. 2015. "thickheaded thesaurus" https://smartdefine.org/thickheaded/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, thickheaded thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/thickheaded/thesaurus/antonyms>.
MLASmart Define. "thickheaded thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/thickheaded/thesaurus/antonyms>