or gul·la·ble

See more synonyms for gullible on

Origin of gullible

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

Synonyms for gullible

See more synonyms for on Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for gullibility

Contemporary Examples of gullibility

  • Not surprisingly, given the gullibility of Apple devotees like myself, Apple's profit margins are the envy of Silicon Valley.

    The Daily Beast logo
    Time to Short Apple Stock?

    Reihan Salam

    May 31, 2010

  • I also asked the man who wrote the book on gullibility—literally.

    The Daily Beast logo
    Why Smart People Are Dumb

    Morley Safer

    February 11, 2010

  • A psychologist and authority on gullibility lost $400,000 of his retirement nest egg to none other than Bernard Madoff.

    The Daily Beast logo
    Why Smart People Are Dumb

    Morley Safer

    February 11, 2010

Historical Examples of gullibility

  • But anger at my own gullibility had killed her power to draw me, and I shook her off.

  • We seem to identify imagination with gullibility or vague thinking.

    Here and Now Story Book

    Lucy Sprague Mitchell

  • From a physiological point of view the gullibility of the audience is astounding.

    Indian Conjuring

    L. H. Branson

  • True, there are limits to its gullibility; there are suggestions from which it recoils.

  • Sampson sat meditating on the gullibility of man in matters medical.

    Hard Cash

    Charles Reade

British Dictionary definitions for gullibility


  1. easily taken in or tricked
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 gullibility

1793, earlier cullibility (1728), probably from gull (n.2) "dupe, sucker" + -ability.



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

Online Etymology Dictionary, © 2010 Douglas Harper