gullible

Synonyms

easy, exploitable, naive (or naïve), susceptible, trusting, unwary, wide-eyed;

Near Antonyms

critical, cynical, mistrustful, skeptical, suspicious, wary;

sophisticated;

clear-eyed, clear-sighted, hardheaded;

shrewd, street-smart, streetwise;

Related Words

credulous, overcredulous, trustful, uncritical, unsuspecting, unsuspicious;

artless, genuine, guileless, innocent, simple, unsophisticated, unworldly;

malleable, pliable, pliant;

deceivable;

acquiescent, agreeable, amiable, obliging;

yielding;