Duhaime's Law Dictionary

Willfully Definition:

Acting voluntarily, deliberately and intentionally.

Related Terms: Knowingly

"Willfully means that a defendant acted knowingly, deliberately, and intentionally as contrasted with accidentally, carelessly or unintentionally.

"Willfully means a voluntary, intentional violation of a known legal duty. In other words, the defendant must have acted voluntarily and intentionally and with the specific intent to do something that the law forbids; that is to say, with a purpose either to disobey or disregard the law."

Compare with Legal Definition of Knowingly.


  • US v De Castro-Font, 587 F. Supp. 2d 372 (2008; Footnote #1)

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