like a babe in the woods

artless

candid childlike frank green guileless innocent naive natural open outspoken plain simple sincere square straightforward trusting unaffected unartful unartificial undisguised unreserved unschooled unsophisticated unstudied up front

deceitful dishonest sly

ignorant innocent simple sincere unsophisticated wide-eyed

aboveboard artless callow candid confiding countrified credulous forthright frank fresh green guileless gullible harmless impulsive ingenuous innocuous instinctive jejune lamb natural open original patsy plain simple-minded spontaneous square sucker unaffected unjaded unpretentious unschooled unsuspecting unsuspicious untaught unworldly virgin

aware experienced intelligent knowledgeable sophisticated

leery skeptical wise