- Definitions|1
- Thesaurus|123
- Abbreviations|0
34 entries under adjective topic. ×
| insane | |
| mad | |
| mental | |
| non compos mentis | |
| not all there | |
| nuts | |
| nutty | |
| of unsound mind | |
| out to lunch | |
| raving | |
| touched | |
| unbalanced | |
| unhinged | |
| psychopathic |
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| APA | Smart Define. (2016). looney thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/looney/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "looney thesaurus" https://smartdefine.org/looney/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, looney thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/looney/thesaurus/synonyms>. |
| MLA | Smart Define. "looney thesaurus" 29 February 2016. Web. 27 September 2026. <https://smartdefine.org/looney/thesaurus/synonyms> |