- 1 [usually before noun] (of a bad or harmful action) done deliberately, although the person doing it knows that it is wrong willful damage/misconduct/neglect
- 2determined to do what you want; not caring about what other people want synonym headstrong a willful child
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NAmE//ˈwɪlfəli//adverb They were charged with willfully neglecting their children.
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noun [uncountable] the willfulness and arrogance of human nature