It would be a unique delight to wait and watch for the melodious fragments in which her heart and soul came forth so directly and ingenuously.
He was quite aware of this; indeed in some respects he was rather afraid of this ingenuous wife, whose imitative piety and native worldliness were equally sincere, who had nothing to be ashamed of, and whom he had married out of a thorough inclination still subsisting.
There are no more uses of "ingenuous" in the book.
Show samples from other sources
She plays a wide-eyed, ingenuous schoolgirl forced to grow up too quickly.
The face of the old man was stern, hard-featured, and forbidding; that of the young one, open, handsome, and ingenuous.
Dickens, Charles -- The Life and Adventures of Nicholas Nickleby