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Meaning of “defy” in the English Dictionary

"defy" in British English

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defyverb [T]

uk   /dɪˈfaɪ/  us   /dɪˈfaɪ/
C2 to refuse to obey a person, decision, law, situation, etc.: It is rare to see children openly defying their teachers. 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. A forest fire raging in southern California is defying (= is not changed by) all attempts to control it.
defy belief/description/explanation
C2 to be extreme or very strange and therefore impossible to believe, describe, or explain: The chaos at the airport defies description.
defy sb to do sth
to tell someone to do something that you think will be impossible: I defy you to prove your accusations. I defy you to tell where I've painted over the scratch on my car.

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(Definition of defy from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"defy" in American English

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defyverb [T]

 us   /dɪˈfɑɪ/
to refuse to obey or to do something in the usual or expected way: They defied an evacuation order and stayed in town during the hurricane. He defied the odds (= did what no one expected) and won the race for mayor.
defiant
adjective  us   /dɪˈfɑɪ·ənt/
She is defiant, angry, and tough.
defiantly
adverb  us   /dɪˈfɑɪ·ənt·li/
When I said she might fail, she replied defiantly, “No, I won’t!”
(Definition of defy from the Cambridge Academic Content Dictionary © Cambridge University Press)
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“defy” in American English

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A blazing row: words and phrases for arguing and arguments
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May 04, 2016
by Kate Woodford We can’t always focus on the positive! This week, we’re looking at the language that is used to refer to arguing and arguments, and the differences in meaning between the various words and phrases. There are several words that suggest that people are arguing about something that is not important. (As you might

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