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willfully

American  
[wil-fuh-lee] / ˈwɪl fə li /
Or wilfully

adverb

  1. deliberately or intentionally; on purpose.

    Any seller who knowingly or willfully certifies false statements is subject to fine and imprisonment.

  2. in an unreasonably stubborn or headstrong way.

    The student disrupted school activities and willfully defied the authority of teachers, administrators, and other school employees.

Other Word Forms

  • half-wilfully adverb
  • half-willfully adverb
  • unwilfully adverb
  • unwillfully adverb

Etymology

Origin of willfully

First recorded before 1000; equivalent to willful ( def. ) + -ly ( def. )

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.