insane

Meaning

  1. Exhibiting unsoundness or disorder of mind; not sane; utterly mad.
  2. Used by or relating to insane people.
  3. Causing insanity or madness.
  4. (informal) Characterized by excess or the utmost folly; ridiculous; impractical.
  5. (slang) Extremely good; incredibly amazing.

Frequency

B1
Pronounced as (IPA)
/ɪnˈseɪn/
Etymology

From Latin īnsānus (“unsound in mind; mad, insane”), from in- + sānus (“sound, sane”), equivalent to in- + sane.

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