1. (a.) Frank; candid; naive; artless\.

2. (a.) of honorable extraction; freeborn; noble; as, ingenuous blood of birth.

3. (a.) Free from reserve, disguise, equivocation, or dissimulation; open; frank; as, an ingenuous man; an ingenuous declaration, confession, etc.

4. (a.) Ingenious.

artless bluff blunt bold born yesterday broad brusque budding callow candid childlike confiding cullible deceivable deludable dewy direct downright dupable easy explicit exploitable fair fair and square foolable forthright frank frankhearted free free-speaking free-spoken free-tongued genuine green growing guileless gullible heart-to-heart hoaxable honest honorable hoodwinkable humbugable immature impubic inexperienced ingenu innocent intact juicy just minor naive natural new-fledged on the level open openhearted outspoken persuadable plain plain-spoken raw ripening round sappy seduceable simple simplehearted simpleminded sincere single-hearted single-minded soft straight straight-out straightforward suggestible tender transparent trustful trusting trustworthy unabashed unadult unaffected unartificial unchecked uncomplicated unconstrained undeceitful undeceptive underage undeveloped undissembling unequivocal unfeigning unfledged unformed unguarded uninhibited unlicked unmellowed unreserved unrestrained unripe unschooled unseasoned unsophisticated unstudied unsuspicious unwary vernal victimizable virginal