willful : 意図的な、故意の

willful : 意図的な、故意の、Said or done on purpose; deliberate

* Synonyms : deliberate, intended, intentional, purposeful, voluntary, witting

• 引用元 : Financial Times - Harvey Weinstein expelled from Motion Picture Academy (2017/10)

  The Academy's 54-member board of governors voted to remove Mr Weinstein in an emergency meeting on Saturday.
  "We do so not simply to separate ourselves from someone who does not merit the respect of his colleagues but also to send a message that the era of wilful ignorance and shameful complicity in sexually predatory behavior and workplace harassment in our industry is over. What’s at issue here is a deeply troubling problem that has no place in our society," the organisation said in a statement.

• 引用元 : Financial Times - Jury orders Gilead to pay Merck $2.54bn in damages in patent trial (2016/12)

  Gilead had disputed that it had relied on Idenix’s intellectual property in making its blockbuster drugs, and said the patent was invalid. Jurors, however, found that Gilead had willfully infringed the patent at issue（論争中の、未解決の）.