Definition of Insane

  • (a.) Exhibiting unsoundness or disorded of mind; not sane; mad; deranged in mind; delirious; distracted. See Insanity, 2.
  • (a.) Used by, or appropriated to, insane persons; as, an insane hospital.
  • (a.) Causing insanity or madness.
  • (a.) Characterized by insanity or the utmost folly; chimerical; unpractical; as, an insane plan, attempt, etc.

Homophones of Insane


No Antonyms Found.



Common English words

A list of the most frequently used words in the English languge.

Longest English Words

Longest words in the Oxford Dictionary.