Definition of GULLIBLE

readily taken advantage of <he thought his grandmother was gullible simply because she was elderly, but she was sharper than he was in many ways>
Synonyms dewy-eyed, exploitable, gullible (also gullable), naive (or naïve), susceptible, trusting, unwary, wide-eyed

Variants of GULLIBLE

gullible also gullable

Seen & Heard

What made you want to look up gullible? Please tell us where you read or heard it (including the quote, if possible).