72 entries under adjective topic. ×

9
mad(insane, sane, unwell, psychiatric)
8
psychotic(mad, insane, unwell, cuckoo)
7
demented(sane, unwell, cuckoo, neurotic)
7
lunatic(mad, insane, sane, unwell)
7
unbalanced(mad, insane, sane, unwell)
6
insane(mad, sane, unwell, cuckoo)
6
deranged(mad, insane, unwell, psychiatric)
6
maniacal
6
mental(insane, psychiatric)
5
loco(slang, crazy, mad, sick)
4
crazy(sick, sane, unwell, cuckoo)
4
daft(sane, unwell)
4
nuts(slang, mad, insane, sane)
4
non compos mentis(expression, law, mad, insane)
4
psychopathic(unwell, cuckoo, neurotic)
4
batty(slang, sane)
4
bonkers(informal, sane)
4
brainsick(crazy, sick, insane, sane)
4
cracked(informal, sane, unwell)
4
crackers(crazy, sick, sane, off)
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APASmart Define. (2015). mentally ill thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/mentally_ill/thesaurus/synonyms
ChicagoSmart Define. 2015. "mentally ill thesaurus" https://smartdefine.org/mentally_ill/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, mentally ill thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/mentally_ill/thesaurus/synonyms>.
MLASmart Define. "mentally ill thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/mentally_ill/thesaurus/synonyms>