- Definitions|0
- Thesaurus|60
- Abbreviations|0
36 entries under sane topic. ×
| mentally ill(expression, adjective, crazy, sick) | |
| moonstruck(adjective, insane) | |
| off(adjective, dotty) | |
| unsound(adjective, crazy, sick) | |
| bananas | |
| bonkers | |
| daffy | |
| maniacal | |
| non compos mentis(adjective, law) | |
| nuts | |
| nutty | |
| screwy | |
| touched | |
| unbalanced | |
| wacky | |
| wrong |
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| APA | Smart Define. (2011). crazy as a loon thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/crazy_as_a_loon/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "crazy as a loon thesaurus" https://smartdefine.org/crazy_as_a_loon/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2011, crazy as a loon thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/crazy_as_a_loon/thesaurus/synonyms>. |
| MLA | Smart Define. "crazy as a loon thesaurus" 23 May 2011. Web. 28 September 2026. <https://smartdefine.org/crazy_as_a_loon/thesaurus/synonyms> |