| lunatic | |
| lunkheaded | |
| mindless | |
| moron | |
| moronic | |
| nervy | |
| neutral | |
| nitwit | |
| nutty | |
| opaque | |
| philistine | |
| purblind | |
| sappy | |
| screwball | |
| simple-minded | |
| simpleminded | |
| simpleton | |
| slow up | |
| soft soap | |
| softheaded |
For more, visit
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Power Thesaurus
| APA | Smart Define. (2015). sage thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sage/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "sage thesaurus" https://smartdefine.org/sage/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, sage thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sage/thesaurus/antonyms>. |
| MLA | Smart Define. "sage thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/sage/thesaurus/antonyms> |