verb (used with object)
  1. to expose or excoriate (a claim, assertion, sentiment, etc.) as being pretentious, false, or exaggerated: to debunk advertising slogans.

Origin of debunk

An Americanism dating back to 1920–25; de- + bunk2
Related formsde·bunk·er, noun

Synonyms for debunk Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for debunker

Contemporary Examples of debunker

  • He is the antidote to Tom Brokaw, and if not the debunker of “The Greatest Generation” at least its conscience.

    The Daily Beast logo
    The Not-Always-Greatest Generation

    David Margolick

    July 12, 2013

British Dictionary definitions for debunker


  1. (tr) informal to expose the pretensions or falseness of, esp by ridicule
Derived Formsdebunker, noun

Word Origin for debunk

C20: from de- + bunk ²
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

Word Origin and History for debunker



1923, from de- + bunk (n.2); first used by U.S. novelist William Woodward (1874-1950), the notion being "to take the bunk out of things." Related: Debunked; debunking.

Online Etymology Dictionary, © 2010 Douglas Harper