willing to believe or trust too readily, esp. without proper or adequate evidence; gullible.

marked by or arising from credulity

a credulous rumor.

adjective

skeptical , suspecting , suspicious , untrusting , incredulous

adjective

accepting , believing , born yesterday , dupable , easy mark * , falling for , green , overtrusting , simple , swallow whole , taken in , trustful , trusting , uncritical , unquestioning , unsophisticated , unsuspecting , unsuspicious , unwarynotes:credible means \'believable\' and credulous means \'gullible\' , exploitable , gullible , naive , susceptible , unwary