Antonyms for gullible

Grammar : Adj

Spell : guhl-uh-buhl

Phonetic Transcription : ˈgʌl ə bəl

Definition of gullible

Origin : 1825, apparently a back-formation from gullibility. Gullable is attested from 1818.

adj naive, trusting

Example sentences :

Larner was not a gullible individual, but neither was he unimaginative.
Extract from : « Astounding Stories of Super-Science April 1930 » by Various

You see the name at every turn, and the gullible Americans bite, chew, and swallow.
Extract from : « As A Chinaman Saw Us » by Anonymous

As he is violent in his enmities, so is he gullible in marvels.
Extract from : « Devil-Worship in France » by Arthur Edward Waite

Finding them, to all seeming, gullible and loquacious, she had even ventured on the Bishop.
Extract from : « The Brentons » by Anna Chapin Ray

Barley was an early riser, and, as we know, as superstitious as he was gullible.
Extract from : « On a Donkey's Hurricane Deck » by R. Pitcher Woodward

He knows the weakness of the public, and how gullible it is.
Extract from : « Profitable Stock Exchange Investments » by Henry Voorce Brandenburg

They all stamp the writers as not only gullible but also incompetent.
Extract from : « The Propaganda for Reform in Proprietary Medicines, Vol. 2 of 2 » by Various

To my gullible apprehension, it seems eminently appropriate.
Extract from : « The Unpopular Review Vol. I » by Various

What moved his satiric vein was that they all had to be gulled—and were all gullible.
Extract from : « Mrs. Maxon Protests » by Anthony Hope

Murdock was not a heedless, gullible youngster like the others.
Extract from : « The World with a Thousand Moons » by Edmond Hamilton

Synonyms for gullible

Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019