Part of speech: noun

An insane person.

Part of speech:


Part of speech: adjective

Affected with lunacy; crazy; insane.

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Usage examples "lunatic":

  1. " No one but a born lunatic would do a thing like that. - "The Lamp in the Desert", Ethel M. Dell.
  2. This was not the tree at which he had the poor lunatic flogged, for he says that was in the street. - "Chapters in the History of the Insane in the British Isles", Daniel Hack Tuke.
  3. It had served no other purpose than to lead the penitential lunatic to Craig Farm. - "Kenny", Leona Dalrymple.