GULLIBLE Synonyms: 45 Similar and Opposite Words

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

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Example Sentences

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Recent Examples of gullible And SpongeBob, with his big-guy dreams, is gullible enough to do it, even as the redoubtable Mr. Krabs (Clancy Brown), along with Squidward (Rodger Bumpass), charter a boatmobile Winnebago and go on a mission to save him. —

Owen Gleiberman, Variety, 21 Dec. 2025 Rather than feeling triumphant at how believable ELIZA was, Weizenbaum was depressed by how gullible people seemed to be. —

Jeremy Kahn, Fortune, 26 Aug. 2025 Teenagers, despite our best efforts to educate them in open-minded ways, are gullible and therefore vulnerable. —

Eli Amdur, Forbes.com, 11 Aug. 2025 The team defines a goofy as someone gullible, easily influenced, a follower. —

Darcel Rockett, Chicago Tribune, 7 Aug. 2025 See All Example Sentences for gullible

Recent Examples of Synonyms for gullible

Adjective

Set a century before the events of Game of Thrones and 72 years after House of the Dragon, A Knight of Seven Kingdom follows two unlikely heroes wandering Westeros … a young, naïve but courageous knight, Ser Duncan the Tall (Peter Claffey), and his diminutive squire, Egg (Dexter Sol Ansell).

— Katie Campione, Deadline, 22 Jan. 2026
The Irish actor, 29, leads A Knight of the Seven Kingdoms, a new Game of Thrones spinoff series based on a series of novellas by Martin, 77, that follows naïve knight Ser Duncan the Tall (Claffey) and his squire, Egg (Dexter Sol Ansell).

— Julia Moore, PEOPLE, 21 Jan. 2026