3
nervous disorder(noun, disorder)
3
personality disorder(noun, expression, disorder, complex, deviation)
3
sick mind(noun, disorder)
3
unbalanced mind(noun, disorder)
3
unsoundness of mind(noun, expression, idiom, disorder)
2
insaneness(noun, sane, derangement)
2
emotional disorder(noun, disorder)
2
emotional instability(noun, disorder)
2
maladjustment(noun, disorder, complex, deviation, quirk)
2
abnormality(disorder, complex, deviation, quirk, inhibition)
2
crack-up(disorder, complex, deviation, quirk, inhibition)
2
distraction
2
irrationality(stupidity, foolishness, folly)
2
mental disturbance(expression, disorder, complex, deviation, quirk)
2
nervous breakdown(noun, disorder)
2
unsoundness
2
witlessness
1
affliction(disorder, complex, deviation, quirk, inhibition)
1
brain damage
1
brain disease
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APASmart Define. (2015). mental illness thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/mental_illness/thesaurus/synonyms
ChicagoSmart Define. 2015. "mental illness thesaurus" https://smartdefine.org/mental_illness/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, mental illness thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/mental_illness/thesaurus/synonyms>.
MLASmart Define. "mental illness thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/mental_illness/thesaurus/synonyms>