Synonyms|38Antonyms|64|Broader|0Narrower|0Related|806
4
clever
1
brainy
1
bright
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
brilliant
0
acute
0
alert
0
apt
0
astute
For more, visit Dunderheaded on Power Thesaurus
11 years ago|484 views|share |citing 
APASmart Define. (2015). dunderheaded thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/dunderheaded/thesaurus/antonyms
ChicagoSmart Define. 2015. "dunderheaded thesaurus" https://smartdefine.org/dunderheaded/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, dunderheaded thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dunderheaded/thesaurus/antonyms>.
MLASmart Define. "dunderheaded thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/dunderheaded/thesaurus/antonyms>