gullible

Definition

Easily deceived or duped; naive, easily cheated or fooled.

Etymology

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.

Example Sentences

• "Andrew is so gullible, the way he still believes in Santa Claus, the Easter Bunny, the Tooth Fairy, and the Sandman at the age of fourteen."