| meet(agreement, expedience) | |
| mentally deficient | |
| meshugah(adjective, slang, crazy, mad) | |
| meshuggah | |
| mild | |
| moon-struck | |
| narly(adjective, slang, crazy, mad) | |
| neurotic | |
| non compos | |
| not right | |
| nut | |
| nutcase | |
| nutlike | |
| off one's trolley | |
| pip | |
| pixilated(adjective, slang, crazy, mad) | |
| preposterous(adjective, insane) | |
| psychopathic(adjective, insane) | |
| queer | |
| quirky |
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| APA | Smart Define. (2015). loco thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/loco/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "loco thesaurus" https://smartdefine.org/loco/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, loco thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/loco/thesaurus/synonyms>. |
| MLA | Smart Define. "loco thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/loco/thesaurus/synonyms> |