49 entries under expression topic. ×
| non compos mentis(adjective, idiom, insane, psychiatric) | |
| of unsound mind(adjective, idiom, silly, mad) | |
| not all there(noun, adjective, idiom, slang) | |
| mentally ill(adjective, insane, psychiatric) | |
| out to lunch(adjective, idiom, silly, mad) | |
| bats in the belfry(idiom, silly, foolish, mad) | |
| flipped out(silly, foolish, crazy, mad) | |
| freaked out(silly, foolish, mad, insane) | |
| mad as a March hare(idiom, silly, foolish, mad) | |
| mad as a hatter(idiom, silly, foolish, mad) | |
| mentally strange(silly, foolish, mad, insane) | |
| nutty as fruitcake(idiom, silly, foolish, mad) | |
| round the bend(idiom, silly, foolish, mad) | |
| screw loose(silly, foolish, mad, insane) | |
| white lie(idiom, untruth, concealment, equivocalness) | |
| bereft of reason | |
| conceptual impractical(intellectual, abstract, unreal, unattainable) | |
| deprived of reason | |
| in the clouds(adjective, idiom, intellectual, unreal) | |
| physical pain(idiom, pain, physical pain) |
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| APA | Smart Define. (2015). mental thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mental/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "mental thesaurus" https://smartdefine.org/mental/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, mental thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mental/thesaurus/synonyms>. |
| MLA | Smart Define. "mental thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/mental/thesaurus/synonyms> |