- Definitions|1
- Thesaurus|291
- Abbreviations|0
21 entries under expression topic. ×
| non compos mentis(adjective, idiom, law, foolish) | |
| not all there(adjective, idiom, off, lunatic) | |
| out to lunch(adjective, idiom, wild, silly) | |
| mentally ill(adjective, sane, off, dotty) | |
| bats in the belfry(adjective, idiom, wild, silly) | |
| flipped out(adjective, silly, foolish, mad) | |
| freaked out(adjective, silly, foolish, mad) | |
| mad as a March hare(adjective, idiom, wild, silly) | |
| mad as a hatter(adjective, idiom, wild, silly) | |
| mentally strange(adjective, silly, foolish, mad) | |
| nutty as fruitcake(adjective, idiom, wild, silly) | |
| round the bend(adjective, idiom, wild, silly) | |
| screw loose(adjective, wild, silly, foolish) | |
| around the bend(adjective, wrong, hacked, lunatic) | |
| crazy as a loon(adjective, off, lunatic, dotty) | |
| nutty as a fruitcake(adjective, off, lunatic, dotty) | |
| sick in the head(adjective, wrong, hacked, lunatic) | |
| stark raving mad(adjective, off, lunatic, dotty) | |
| beyond all reason(adjective, idiom, wild, silly) | |
| out of all reason(adjective, idiom, wild, silly) |
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| APA | Smart Define. (2015). of unsound mind thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/of_unsound_mind/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "of unsound mind thesaurus" https://smartdefine.org/of_unsound_mind/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, of unsound mind thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/of_unsound_mind/thesaurus/synonyms>. |
| MLA | Smart Define. "of unsound mind thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/of_unsound_mind/thesaurus/synonyms> |