English Reference
adjective

gullible

adj.
US /ˈɡəɫəbəɫ/ UK /ɡˈʌləbəl/ gullible

  1. 01 B2 Upper Intermediate

    you use this to describe someone who trusts people too much and is easily tricked.

    easily deceived or duped due to a lack of critical judgment or excessive trust.

    Simple

    The salesman targeted gullible tourists who didn't know the real prices.

    In context

    Social media platforms are often criticized for allowing misinformation to spread among gullible users who fail to verify the sources of sensational headlines.

    Pitfall
    He is very gullible to believe that story. He is gullible enough to believe that story.

    While 'gullible' describes the person, it is more idiomatic to use 'enough to' or 'to be gullible' rather than 'gullible to [verb]' directly.

    naivetrustingcredulous

Origin uncertain. Either from gull (“to dupe, trick, fool”) + -ible; or alternatively from Middle English gole, goll, gol (“an unfledged bird, silly fellow”), perhaps from Old Norse gulr (“yellow, pale”), from the hue of its down.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin non gulr
Level B2 · Upper Intermediate
Frequency Occasional
Updated