blow Definition in the Cambridge English Dictionary
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Definition of “blow” - English Dictionary

Definition of "blow" - American English Dictionary

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blowverb [I/T]

 us   /bloʊ/ (past tense blew  /blu/ , past participle blown  /bloʊn/ )

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 ​itsside). [M] We ​brought in the ​birthdaycake and ​watched Lisa blow out the ​candles. To blow up something is to ​pushair inside it to make it ​larger: [M] We blew 12 ​balloons up for Charles’ ​party. If you blow ​yournose, you ​forceair through it to ​push out something that is ​blocking it, so that you can ​breathebetter.

blow verb [I/T] (DESTROY)

to ​destroy something in an ​explosion or to be ​destroyed in this way: [T] The ​gasexplosion blew a ​hugehole in the ​ground. [M] The ​explosion from the ​gasleak 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.

blownoun [C]

 us   /bloʊ/

blow noun [C] (HIT)

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

Definition of "blow" - British English Dictionary

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blowverb

uk   /bləʊ/  us   /bloʊ/ (blew, blown)

blow verb (SEND OUT AIR)

B1 [I or T] to ​move and make ​currents of ​air, or to be ​moved or make something ​move on a ​current of ​air: The ​wind was blowing harder every ​minute. The ​letter blew away and I had to ​run after it. A gale-force ​wind had blown the ​fence down. I blew the ​dust off the ​books. I ​wish you wouldn't blow ​smoke in my ​face.C2 [I or T] to make a ​sound by ​forcingair out of ​yourmouth and through an ​instrument, or to make a ​sound when someone does this: Ann blew a few ​notes on the ​trumpet. He ​scored the ​winninggoal just before the ​whistle blew. [T] to blow ​air down a ​tube into a ​piece of ​heatedsoftglass, in ​order to ​shape it into an ​object: a ​beautiful blown ​glassvaseblow your nose B1 to ​forceair from ​yourlungs and through ​yournose to ​clear itblow sb a kiss (also blow a kiss to/at sb) to ​kissyourhand and blow on it in the ​direction of someone
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blow verb (DESTROY)

[T] to ​cause something to be ​destroyed by a ​bomb, ​technicalfailure, etc.: His ​car had been blown topieces. [I or T] If an ​electrical fuse (= a ​short, ​thinpiece of ​wire) blows, or if something ​electrical blows a ​fuse, the ​device it is in ​stopsworking because it is ​receiving too much ​electricity. [I] informal If a ​tyre blows, it ​suddenly gets a ​hole in it and goes ​flat.blow sth sky-high to ​seriouslydamage something by making it ​explode: The ​explosion blew the ​buildingsky-high.
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blow verb (SPEND)

[T] informal to ​spend a ​largeamount of ​money, ​especially on things that are not really ​necessary: When I got ​paid I blew it all on a ​night out.

blownoun

uk   /bləʊ/  us   /bloʊ/

blow noun (HIT)

C2 [C] a hard ​hit with a ​hand or a ​weapon: a ​sharp blow to the ​stomach
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blow noun (BAD EVENT)

C2 [C] an ​unexpectedevent that has a ​damagingeffect on someone or something: Losing his ​job was a ​severe blow to his ​confidence. Her ​death came as a ​terrible blow to her ​parents.
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blow noun (AIR)

[C usually singular] an ​act of blowing: a blow on the ​trumpet It took him three blows to get all the ​candles out. [C usually singular] UK old-fashioned a ​walk in the ​freshair: Shall we go out for a blow?

blow noun (DRUG)

[U] UK slang →  cannabis [U] US slang →  cocaine
(Definition of blow from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "blow" - Business English Dictionary

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blowverb [T]

uk   us   /bləʊ/ (blew, blown)
to ​spend a lot of ​money on something that is not important or ​effective: Central Bank blew $900m of foreign-exchange ​reserves in the first two weeks of October alone.
blow the whistle (on sb/sth) to tell someone in ​authority about something harmful or ​illegal that someone is doing: If two of the firm's ​employees hadn't blown the whistle, the ​scandal would never have become known.
blow the lid on/off sth to tell ​people the ​real and unpleasant facts about something that were previously not known: The ​report blew the lid on the ​culture of secrecy surrounding the company's new ​range of fizzy-drink ​products.
blow a hole in sth to cause serious ​harm or ​damage to something: Defeat would blow a ​hole in the club's ​finances.

blownoun [C]

uk   us   /bləʊ/
something that causes serious problems or spoils your chances of ​success: be a blow to sth The ​loss of 1000 ​jobs is another blow to the country's ​manufacturingsector.come as a blow (to sb/sth) Unemployment ​figures will come as a blow to the ​Chancellor as he prepares next week's ​budget.deal/deliver a blow (to sb/sth) Rising ​pollutionlevels threaten to ​deal a blow to the state's billion-dollar ​tourismindustry.a major/devastating/bitter blow We have suffered a ​major blow.
soften/cushion the blow to make the ​badeffects of something seem to be not as ​bad as they could have been: If things go wrong there are no ​mechanisms to ​soften the blow.
(Definition of blow from the Cambridge Business English Dictionary © Cambridge University Press)
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