• synonyms


or gul·la·ble

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  1. easily deceived or cheated.
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Origin of gullible

First recorded in 1815–25; gull2 + -ible
Related formsgul·li·bil·i·ty, noungul·li·bly, adverb

Synonyms for gullible

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for gullible

unsuspecting, foolish, unsophisticated, wide-eyed, believing, biting, credulous, green, innocent, mark, silly, simple, sucker, susceptible, trustful

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Historical Examples of gullible

British Dictionary definitions for gullible


  1. easily taken in or tricked
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Derived Formsgullibility, noungullibly, 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 gullible


1825, apparently a back-formation from gullibility. Gullable is attested from 1818.

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Online Etymology Dictionary, © 2010 Douglas Harper