Meaning of INSANITY in English

INSANITY

n.

Pronunciation: in- ' sa-n ə -t ē

Function: noun

Inflected Form: plural -ties

Date: 1590

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

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.