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

This model worked for well over a decade because, in those go-go speculative days, there was an ongoing influx of gullible retail investors eager to prop up the token flippers. — Jeff John Roberts, Fortune, 20 July 2026

Colocousis said people who think scam victims like him are gullible idiots don’t understand the sophistication of criminal organizations behind online fraud. — ABC News, 30 June 2026

However, several of the sequences, including the scenes between Imani and Layla, as well as the more violent and action-based ones, are so far removed from reality that even the most gullible viewers won’t take them seriously. — Aramide Tinubu, Variety, 26 June 2026

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

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