4
clever
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
sharp
1
sharp-witted
1
smart
1
supersmart
1
ultrasmart
0
acute
0
alert
0
apt
0
astute
13 years ago|600 views|share |citing 
APASmart Define. (2013). bubbleheaded thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bubbleheaded/thesaurus/antonyms
ChicagoSmart Define. 2013. "bubbleheaded thesaurus" https://smartdefine.org/bubbleheaded/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2013, bubbleheaded thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bubbleheaded/thesaurus/antonyms>.
MLASmart Define. "bubbleheaded thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/bubbleheaded/thesaurus/antonyms>