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wilful Line breaks: wil¦ful
Pronunciation: /ˈwɪlfʊl/
(US also willful)

Definition of wilful in English:


1(Of a bad or harmful act) intentional; deliberate: wilful acts of damage
More example sentences
  • This willful act was in direct violation of Article 5 of the United Nations Convention on children.
  • We control universal processes, as a willful act of mankind, through these discoveries.
  • There is no greater betrayal than to impoverish a generation yet unborn by willful acts of amnesia.
2Having or showing a stubborn and determined intention to do as one wants, regardless of the consequences: a spoiled, wilful child
More example sentences
  • Stubborn, willful, bold and determined, natives born into this combination all take themselves and their actions very seriously.
  • They can also be willful, arrogant and stubborn.
  • Stubbornly self-righteous and willful, Higgins demonstrates his ideals in his brazen disregard for the Victorian rules of conduct.
headstrong, self-willed, strong-willed, with a will of one's own, determined to have one's own way;
Scottish  thrawn
informal cussed
British informal bloody-minded, bolshie
North American informal balky
rare contrarious, renitent, pervicacious


Pronunciation: /ˈwɪlf(ə)li/
Example sentences
  • But there can be no question that the province willfully or knowingly underfunds the Health Department.
  • Our first and primary thrust will be against those who knowingly and willfully violate the law.
  • The lyrics remained bizarre, wilfully obtuse, stream of consciousness stuff.
Pronunciation: /ˈwɪlfʊlnəs/
Example sentences
  • Is it willfulness, stubbornness, or just an attempt to be in control at the expense of everything and everyone else?
  • Sometimes Jaime drove his parents to distraction with his willfulness, and some nights, when he would not sleep - he was so busy watching the world outside and wondering what more there was to see - they lost their tempers.
  • Too much attention given to the only child in a family not only blinds parents' ability to reason and clouds their judgement, it also encourages the child's willfulness.


Middle English: from the noun will2 + -ful.

Definition of wilful in:
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