2
insightful
2
knowing
2
knowledgeable(adjective, dull, ignorant)
2
nimble
2
perceptive(careless, insensitive)
2
quick-witted
2
rational(careless, stupid, illogical)
2
ready
2
sagacious
2
sage
2
savvy(dull, rough)
2
sensible(adjective, foolish, unsound)
2
sharp(adjective, perceptive)
2
thinking
1
able(adjective, slow, inadequate)
1
acute
1
being able
1
blue(adjective, immorality, degradation)
1
born
1
canny(open, honest, careless)
10 years ago|2k views|share |citing 
APASmart Define. (2016). unintelligent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unintelligent/thesaurus/antonyms
ChicagoSmart Define. 2016. "unintelligent thesaurus" https://smartdefine.org/unintelligent/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unintelligent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unintelligent/thesaurus/antonyms>.
MLASmart Define. "unintelligent thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/unintelligent/thesaurus/antonyms>