gullible

[guhl-uh-buhl] / ˈgʌl ə bəl /

ADJECTIVE

naive, trusting

Synonyms

STRONGEST

foolish unsophisticated unsuspecting wide-eyed

WEAK

being a sucker believing biting credulous easily taken in easy mark falling hook line and sinker green innocent kidding oneself mark silly simple sucker susceptible swallowing whole taken in taking the bait trustful tumbling for unskeptical

Antonyms

WEAK

astute discerning knowledgeable perceptive suspicious unbelieving untrusting wise

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As Roderigo, whom Iago manipulates like a bored puppeteer idly pulling the strings, Daniel Velez is idiotically gullible.

From The Wall Street Journal • Jun. 1, 2026

Professional and institutional investors turn positive on stocks at the beginning of a bull market, and gradually unload their appreciated equities to more gullible retail investors.

From MarketWatch • Mar. 25, 2026

"I was naive, foolish, and gullible to put any trust in Jeffrey Epstein," he said.

From BBC • Feb. 18, 2026

Maybe I would have too — I’m really gullible.

From Los Angeles Times • Dec. 18, 2025

Were they then both deposed masters of the galaxy and gullible puppets all at once?

From "Between the World and Me" by Ta-Nehisi Coates

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