From Longman Dictionary of Contemporary Englishgulliblegul‧li‧ble /ˈɡʌləbəl/ adjective BELIEVEtoo ready to believe what other people tell you, so that you are easily tricked Plastic replicas of the Greek pottery are sold to gullible tourists. —gullibility /ˌɡʌləˈbɪləti/ noun [uncountable]
Examples from the Corpus
gullible• He is resistant to change, gullible and easily led.• He had never seen her like this before, gullible and giggly, at times even shy and blushing.• Having won their votes from the gullible, as well as the dedicated, the republicans now show their utter contempt for democracy.• It's easy to blame the public for being gullible enough to buy dieting products, but it's the companies who sell them who should take responsibility.• How can you be so gullible! He not really French.• He felt gullible, patronized, bamboozled.• It has a cult-like following with the potential to exploit gullible people and reinforce obsessional behaviour.• He seemed to treat me as if I were a gullible schoolgirl.• And Bill Holroyd was already showing himself to be pretty gullible, so it's in character.• a group of gullible tourists• She was described by her neighbors as a sweet but gullible woman who allowed the man to live in her house as a source of extra money. 