disbelieve

[dis-bi-leev]
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verb (used with object), dis·be·lieved, dis·be·liev·ing.
  1. to have no belief in; refuse or reject belief in: to disbelieve reports of UFO sightings.
verb (used without object), dis·be·lieved, dis·be·liev·ing.
  1. to refuse or reject belief; have no belief.

Origin of disbelieve

First recorded in 1635–45; dis-1 + believe
Related formsdis·be·liev·er, noundis·be·liev·ing·ly, adverb
Can be confuseddisbelieve misbelieve
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for disbelieve

disbelieve

verb
  1. (tr) to reject as false or lying; refuse to accept as true or truthful
  2. (intr usually foll by in) to have no faith (in)disbelieve in God
Derived Formsdisbeliever, noundisbelieving, adjectivedisbelievingly, adverb
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 disbelieve
v.

1640s; see dis- + believe. Related: Disbelieved; disbelieving; disbeliever.

Online Etymology Dictionary, © 2010 Douglas Harper