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English definition of “blow”

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blow

verb [I/T]  /bloʊ/ ( past tense blew  /blu/, past participle blown  /bloʊn/) us  

blow verb [I/T] (MAKE AIR CURRENT)

to make a current of air, or to move something or be moved with a current of air: [M] The wind blew over a garbage can (= pushed it down on its side). [M] We brought in the birthday cake and watched Lisa blow out the candles. To blow up something is to push air inside it to make it larger: [M] We blew 12 balloons up for Charles’ party. If you blow your nose, you force air through it to push out something that is blocking it, so that you can breathe better.

blow verb [I/T] (DESTROY)

to destroy something in an explosion or to be destroyed in this way: [T] The gas explosion blew a huge hole in the ground. [M] The explosion from the gas leak blew all the windows out. infml To blow a sum of money is to spend it in a foolish way: [T] I blew my first paycheck on a night out with my friends.

blow

noun [C]  /bloʊ/ us  

blow noun [C] (HIT)

a hard hit with the hand or a weapon: A sharp blow on the chest sent him spinning to the floor. A blow is also an unexpected, harmful event: Her death at twenty was a terrible blow to her parents. If people come to blows, they physically fight: The brothers almost came to blows over sharing the car.
(Definition of blow from the Cambridge Academic Content Dictionary © Cambridge University Press)
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