Synonyms|498Antonyms|120|Broader|32Narrower|104Related|384
2
emotional instability(expression, depression, schizophrenia)
2
flakiness(noun, stupidity, foolishness)
2
foolhardiness(stupidity, foolishness, madness, silliness, irrationality)
2
impracticality(noun, weakness, mistake, thoughtlessness, nonsense)
2
ineptitude(stupidity, madness, craziness)
2
infatuation(noun, love, passion, desire, thing)
2
kookiness
2
maladjustment(disorder, depression, complex, deviation, quirk)
2
monomania(noun, love, passion, desire, thing)
2
nervous breakdown(expression, depression, schizophrenia)
2
nervous disorder(expression, depression, schizophrenia)
2
nonsensicalness
2
obtuseness
2
paranoia(depression, schizophrenia)
2
possession
2
psychoneurosis
2
rage(noun, love, passion, desire, excitement)
2
sick mind(expression, depression, schizophrenia)
2
thoughtlessness(silliness, irrationality, idiocy)
2
unreason(noun, foolishness, inconsistency, irrationality, illogicality)
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ChicagoSmart Define. 2015. "insanity thesaurus" https://smartdefine.org/insanity/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, insanity thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/insanity/thesaurus/synonyms>.
MLASmart Define. "insanity thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/insanity/thesaurus/synonyms>