Dictionary
insanity
noun in·san·i·ty \in-ˈsa-nə-tē\
: severe mental illness : the condition of being insane
: something that is very foolish or unreasonable
plural in·san·i·ties
Full Definition of INSANITY
1
: a deranged state of the mind usually occurring as a specific disorder (as schizophrenia)
2
: such unsoundness of mind or lack of understanding as prevents one from having the mental capacity required by law to enter into a particular relationship, status, or transaction or as removes one from criminal or civil responsibility
3
a : extreme folly or unreasonableness b : something utterly foolish or unreasonable
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First Known Use of INSANITY
1590
Related to INSANITY
- Synonyms
- aberration, dementia, derangement, lunacy, madness, mania, rage [archaic]
Other Psychology Terms
INSANITY Defined for Kids
insanity
noun in·san·i·ty \in-ˈsa-nə-tē\
Definition of INSANITY for Kids
: the condition of being abnormal or unhealthy in mind
Medical Dictionary
insanity
noun in·san·i·ty \in-ˈsan-ət-ē\
plural in·san·i·ties
Medical Definition of INSANITY
1
: a severely disordered state of the mind usually occurring as a specific disorder (as paranoid schizophrenia)
2
: unsoundness of mind or lack of the ability to understand that prevents one from having the mental capacity required by law to enter into a particular relationship, status, or transaction or that releases one from criminal or civil responsibility
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