willfulness. 1. The fact or quality of acting purposely or by design; deliberateness; intention. • Willfulness does not necessarily imply malice, but it involves more than just knowledge. 2. The voluntary, intentional violation or disregard of a known legal duty. — Also termed legal willfulness. [Cases: Negligence 275. C.J.S. Negligence §§ 98–103, 106–113.]
[Blacks Law 8th]