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

Definition of "blow up" - American English Dictionary

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blow up

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

blow up (BECOME ANGRY)

to ​becomesuddenly very ​angry: He may blow up when he ​finds out how much I ​spent.
(Definition of blow up from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "blow up" - British English Dictionary

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blow up

phrasal verb with blow uk   /bləʊ/  us   /bloʊ/ verb (blew, blown)

blow up (STORM)

When a ​stormblows up, it ​begins.

blow up (ANGER)

informal to ​suddenlybecome very ​angry: My ​dadblew up (at me) when he ​saw the ​bill.

blow-upadjective

uk   /ˈbləʊ.ʌp/  us   /ˈbloʊ-/
needing to be ​filled with ​air in ​order to be used: a blow-up mattress/​pillow

blow-upnoun [C]

uk   /ˈbləʊ.ʌp/  us   /ˈbloʊ-/ informal

blow up noun [C] (ARGUMENT)

a ​suddenargument: The ​expected blow-up among the ​students never ​happened.

blow up noun [C] (PHOTOGRAPH)

a ​photograph, ​document, or ​picture that has been made ​bigger: a five-foot-high blow-up of the magazine's ​cover
(Definition of blow up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "blow-up" - Business English Dictionary

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blow-upnoun [C]

(also blowup) uk   us   informal
a problem: I don't see any ​kind of blowup ​event that's going to cause the ​market to ​losevalue.
(Definition of blow-up from the Cambridge Business English Dictionary © Cambridge University Press)
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