| foolish(adjective, sound, careless, unsound, nonsensical) | |
| half-assed | |
| silly(adjective, foolish, absurd, giddy) | |
| mad | |
| idiotic(adjective, reasonable, smart, careless, foolish) | |
| stupid(adjective, sharp, careless, foolish, intelligent) | |
| naive(adjective, sophisticated, childlike, trusting) | |
| crazy | |
| fatuous | |
| insane | |
| ignorant(adjective, careless, foolish, intelligent, unsound) | |
| unwise(adjective, careless, foolish, stupid, prudent) | |
| unintelligent(adjective, careless, foolish, unsound) | |
| unreasonable(adjective, correct, right, careless, foolish) | |
| asinine | |
| daft | |
| dull(adjective, careless, foolish, unsound) | |
| jejune | |
| imprudent(adjective, kind, prudent) | |
| cockamamie |
For more, visit
Wise on
Power Thesaurus
| APA | Smart Define. (2016). wise thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/wise/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "wise thesaurus" https://smartdefine.org/wise/thesaurus/antonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, wise thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/wise/thesaurus/antonyms>. |
| MLA | Smart Define. "wise thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/wise/thesaurus/antonyms> |