1. The quality of being innocent, honest, and free from deception or cunning
Her guilelessness made her vulnerable to manipulation by others.
Sua ingenuidade a tornou vulnerável à manipulação dos outros.
2. Absence of deceitfulness; candor and sincerity
The child spoke with such guilelessness that everyone believed his story.
A criança falou com tanta ingenuidade que todos acreditaram em sua história.