1. (of a person or action) innocent and unsuspecting; artless; innocent; naive.
2. showing innocent or childlike simplicity and candidness; lacking craft or subtlety; free from reserve, restraint, or dissimulation; sincere.
3. Obsolete: honourable or noble.
Etymology: from Latin ingenuus, ”native, free-born, honourable, frank”.
[Beatriz Martin VIdal]