• synonyms


  1. willing to believe or trust too readily, especially without proper or adequate evidence; gullible.
  2. marked by or arising from credulity: a credulous rumor.
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Origin of credulous

1570–80; < Latin crēdulus, equivalent to crēd(ere) to believe + -ulus adj. suffix denoting a quality or tendency; see -ous
Related formscred·u·lous·ly, adverbcred·u·lous·ness, nounnon·cred·u·lous, adjectivenon·cred·u·lous·ly, adverbnon·cred·u·lous·ness, nouno·ver·cred·u·lous, adjectiveo·ver·cred·u·lous·ly, adverbo·ver·cred·u·lous·ness, nounun·cred·u·lous, adjectiveun·cred·u·lous·ly, adverbun·cred·u·lous·ness, noun
Can be confusedcredible credulous


1. believing, trustful, unsuspecting.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for overcredulous

Contemporary Examples

British Dictionary definitions for overcredulous


  1. tending to believe something on little evidence
  2. arising from or characterized by credulitycredulous beliefs
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Derived Formscredulously, adverbcredulousness, noun

Word Origin

C16: from Latin crēdulus, from crēdere to believe
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 overcredulous



1570s, from Latin credulus "that easily believes, trustful," from credere "to believe" (see credo). Related: Credulously; credulousness.

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Online Etymology Dictionary, © 2010 Douglas Harper