Synonyms of gullible

gullible

adjective

ˈgə-lə-bəl 

variants also gullable

as in naive

readily taken advantage of

wished that his brother weren't so gullible as to believe he could win the fixed carnival game if he kept playing it

Synonyms & Similar Words

• naive
• susceptible
• easy
• trusting
• exploitable
• unwary
• wide-eyed
• credulous
• unsuspecting
• innocent
• uncritical
• unsophisticated
• dewy-eyed
• trustful
• guileless
• unsuspicious
• obliging
• genuine
• unworldly
• artless
• deceivable
• pliant
• malleable
• pliable
• amiable
• overcredulous
• acquiescent
• simple
• yielding
• fictile
• agreeable

Antonyms & Near Antonyms

• cynical
• skeptical
• wary
• suspicious
• critical
• mistrustful
• sophisticated
• hardheaded
• shrewd
• clear-eyed
• clear-sighted
• streetwise
• street-smart

Example Sentences

Recent Examples of gullible

The few adult characters in the film are gullible or bumbling. — Linnea Wicklund, Chicago Tribune, 19 June 2026

The tactic saved the banking industry, but the great railway boom was over, and there was no reprieve for the gullible souls who had been drawn into it. — John Cassidy, New Yorker, 15 June 2026

On the other, Moscow is now mounting a massive propaganda offensive designed to show off Russia’s softer side, woo gullible Westerners and reset the terms of the international conversation. — Ilan Berman, Forbes.com, 9 June 2026

Most people are still learning how to navigate a technological space that’s evolving faster than the American government will regulate it, and older folks aren’t uniquely gullible. — Alison Foreman, IndieWire, 31 May 2026

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