INSANE


Meaning of INSANE in English

■ adjective

1》 in or relating to an unsound state of mind; seriously mentally ill.

2》 extremely foolish; irrational.

Derivatives

~ly adverb

insanity noun ( plural insanities ).

Origin

C16: from L. insanus , from in- 'not' + sanus 'healthy'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.