Of set purpose; self-determined; voluntary; as, willful murder.

a knowing disregard for the consequences of one's actions

Deliberate, voluntary, and intentional, as distinguished from acts committed through inadvertence, accident, or ordinary negligence.

done by design; "the insult was intentional"; "willful disobedience"

habitually disposed to disobedience and opposition

by conscious design or purpose; "intentional damage"; "a knowing attempt to defraud"; "a willful waste of time"