- Definitions|0
- Thesaurus|258
- Abbreviations|0
| loon(noun, slang, sick, mad person) | |
| looneybin(noun, slang, sick, mad person) | |
| loony tune(noun, slang, sick, mad person) | |
| loopy | |
| mad as a hatter(expression, crazy, sick, hacked, lunatic) | |
| maddened | |
| maniac(adjective, crazy, sick, sane, hacked) | |
| maundering | |
| mazed | |
| mentally defective | |
| mentally deficient | |
| mentally handicapped | |
| mentally retarded | |
| meshuga | |
| meshuggah | |
| mishoogeh(noun, slang, sick, mad person) | |
| mishugah(noun, slang, sick, mad person) | |
| mongoloid | |
| mooning(adjective, unconcerned, ignorant, unconscious, heedless) | |
| moronic |
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| APA | Smart Define. (2015). not all there thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/not_all_there/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "not all there thesaurus" https://smartdefine.org/not_all_there/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, not all there thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/not_all_there/thesaurus/synonyms>. |
| MLA | Smart Define. "not all there thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/not_all_there/thesaurus/synonyms> |