Credulous, as green as grass, and childlike are all synonyms for gullible. Cynical and suspicious are antonyms of gullible. And here are 31 another word for gullible.
As green as grass, childlike, credulous, deceivable, dupable, easily deceived/led, easily taken in, exploitable, foolish, green, ignorant, impressionable, inexperienced, ingenuous, innocent, naive, over-trustful, over-trusting, ripe for the picking, silly, simple, trustful, unguarded, unsceptical, unsuspecting, unsuspicious, unwary, unworldly, wet behind the ears, and born yesterday are all synonyms for gullible.
Gullible synonym page has a variety of synonyms that differ in length. 3 synonyms with 5, and 8 letters and 2 synonyms with 6, 7, 11, 13, 14, and 17 letters. 5 synonyms with 9 letters and 1 synonym with 10, and 16 letters.
4 synonyms with 12 letters. For a total of 29 another word for gullible.
He is too gullible to believe.
Don't be so gullible, my friend.
The gullible kid fell for everything.
She proved to be gullible again.