| clever(adjective, bright, foolish, ingenious) | |
| smart(adjective, sharp, mind, think, intelligent) | |
| intelligent(adjective, mind, behavior, disability, foolishness) | |
| prudent(adjective, sharp, careless, intelligent, imprudent) | |
| brilliant(adjective, intelligent) | |
| gorgeous(adjective, dull, bad, unattractive) | |
| wise(adjective, reasonable, sharp, careless, foolish) | |
| bright(adjective, sharp, intelligent) | |
| able(adjective, slow, inadequate, capacity, able) | |
| shrewd | |
| ingenious(adjective, brilliant, clever) | |
| fast learner | |
| knowledgeable(adjective, dull, ignorant) | |
| responsible(adjective, sharp, intelligent) | |
| famous(bad, weak, unknown) | |
| ruminative | |
| sagacious(adjective, smart, foolish, judicious) | |
| thought-provoking | |
| acute(adjective, dull, moderate, perceptive) | |
| adroit(adjective, awkward, skilled, able, clumsy) |
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| APA | Smart Define. (2016). stupid thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/stupid/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "stupid thesaurus" https://smartdefine.org/stupid/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, stupid thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/stupid/thesaurus/antonyms>. |
| MLA | Smart Define. "stupid thesaurus" 2 April 2016. Web. 24 September 2026. <https://smartdefine.org/stupid/thesaurus/antonyms> |