Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. disturbed or upset, especially mentally
  • adj. insane
  • v. Simple past tense and past participle of derange.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Disordered; especially, disordered in mind; crazy; insane.

from The Century Dictionary and Cyclopedia

  • Unsettled in mind; insane.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. driven insane

Etymologies

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Examples

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  • JM knows of an old chef who gave it up because he was deranged.

    June 27, 2011