adj ingenious.
2. ingenuous ·adj of honorable extraction; freeborn; noble; as, ingenuous blood of birth.
3. ingenuous ·adj noble; generous; magnanimous; honorable; upright; high-minded; as, an ingenuous ardor or zeal.
4. ingenuous ·adj free from reserve, disguise, equivocation, or dissimulation; open; frank; as, an ingenuous man; an ingenuous declaration, confession, ·etc.