152 entries under adjective topic. ×
| fallacious(mind, foolishness, disability) | |
| featherheaded(mind, behavior, idiotism) | |
| feebleminded(mind, behavior, idiotism) | |
| fool(mind, behavior, idiotism) | |
| futile(characteristic, stupidity, foolishness) | |
| groundless(mind, foolishness, disability) | |
| gullible(characteristic, stupidity, foolishness) | |
| idiotical(mind, behavior, idiotism) | |
| ill-advised(characteristic, stupidity, foolishness) | |
| illiterate(mind, behavior, idiotism) | |
| illogical(mind, foolishness, disability) | |
| improvident(feature, speech, conduct, dullness) | |
| incautious(feature, speech, conduct, dullness) | |
| insane(mind, behavior, idiotism) | |
| insensate(characteristic, stupidity, foolishness) | |
| invalid(mind, foolishness, disability) | |
| irrelevant(characteristic, stupidity, foolishness) | |
| irresponsible(characteristic, stupidity, foolishness) | |
| knuckleheaded(mind, behavior, idiotism) | |
| kookie(mind, behavior, idiotism) |
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| APA | Smart Define. (2016). intelligent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/intelligent/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "intelligent thesaurus" https://smartdefine.org/intelligent/thesaurus/antonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, intelligent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/intelligent/thesaurus/antonyms>. |
| MLA | Smart Define. "intelligent thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/intelligent/thesaurus/antonyms> |