10
naive(adjective, unintelligent)
4
jejune
4
unintelligent
3
candid
3
unsmart(adjective, unintelligent)
2
artless
2
guileless
2
honest
2
ingenuous
2
innocent
2
loyal
2
natural
2
simple
2
sincere
2
straightforward
2
unaffected
2
unclever
2
unsophisticated
1
aboveboard
1
childlike
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APASmart Define. (2016). foxy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/foxy/thesaurus/antonyms
ChicagoSmart Define. 2016. "foxy thesaurus" https://smartdefine.org/foxy/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, foxy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/foxy/thesaurus/antonyms>.
MLASmart Define. "foxy thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/foxy/thesaurus/antonyms>