DEFY

[verb] [T] - to refuse to obey, or to act or be against (a person, decision, law, situation, etc.)Dad will be really angry if you defy him again.A few workers have defied the majority decision and gone into work despite the strike.The fact that aircraft don't fall out of the sky always seems to me to defy (= act against) the law of gravity.The teams defied the snow to play the semi-final match (= they played despite the snow).A forest fire raging in the south of France is defying (= is not changed by) all attempts to control it.(figurative) The chaos at the airport defies description (= is impossible to describe).If you defy someone to do something, you tell them to do something that you think will be impossible.I defy you to prove your accusations. [+ object + to infinitive]I defy you to tell where I've painted over the scratch on my car. [+ object + to infinitive]