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definitions

mattoid

noun
  1. rare a person displaying eccentric behaviour and mental characteristics that approach the psychotic

Word Origin for mattoid

C19: from Italian, from matto insane
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for mattoid

Historical Examples of mattoid

  • I thought at first you were a mattoid, but you're so amazingly consistent.

    The Wonderful Visit

    Herbert George Wells

  • These mattoid scientists make a direct and disastrous attack upon the latent self-respect of criminals.