| quick(adjective, smart, clumsy, delayed) | |
| sage | |
| sensible(adjective, sharp, foolish, intelligent, unsound) | |
| sharp(adjective, intelligent, perceptive) | |
| talented(adjective, dull) | |
| wordsmith | |
| being able | |
| blue(adjective, immorality, degradation) | |
| brainy | |
| canny(open, honest, careless) | |
| careful(adjective, sharp, intelligent) | |
| cognitive(careless, unreasonable) | |
| discriminating | |
| expeditious | |
| expert(green, inexperienced) | |
| happy | |
| impatient | |
| incisive(adjective, weak, intelligent) | |
| jaunty | |
| knowing |
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| APA | Smart Define. (2016). stupid thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stupid/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "stupid thesaurus" https://smartdefine.org/stupid/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, stupid thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stupid/thesaurus/antonyms>. |
| MLA | Smart Define. "stupid thesaurus" 2 April 2016. Web. 25 September 2026. <https://smartdefine.org/stupid/thesaurus/antonyms> |