Definition of insane in English:

insane

Line breaks: in¦sane
Pronunciation: /ɪnˈseɪn
 
/

adjective

Derivatives

insanely

adverb
More example sentences
  • When I first saw it, I thought it was from some super fantastic and insanely expensive brand!
  • No doubt if Brittany and Jess had have been there, they'd have been telling me to stop being so insanely stupid and make the most of it.
  • He laughed as if the thought of it all was so insanely absurd, but true nonetheless.

Origin

mid 16th century: from Latin insanus, from in- 'not' + sanus 'healthy'.

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