blow up Definition in the Cambridge English Dictionary

Definition of “blow up” - English Dictionary

"blow up" in American English

See all translations

blow up

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


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)

"blow up" in British English

See all translations

blow up

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


When a ​stormblows up, it ​begins.


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


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)

"blow-up" in Business English

See all translations

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)
What is the pronunciation of blow up?
Add Cambridge dictionaries to your browser to your website
Word of the Day


showing no fear of dangerous or difficult things

Word of the Day

Calling occupants of interplanetary craft
Calling occupants of interplanetary craft
by Colin McIntosh,
December 01, 2015
Are you a fan of shows like Doctor Who and Star Trek? Both shows have been around since the 1960s, and, not surprisingly, have generated some of their own vocabulary, some of which has now entered the Cambridge English Dictionary. The phenomenon of fandom, meaning “the state of being a fan of

Read More 

conversational user interface noun
conversational user interface noun
November 30, 2015
a computer interface that provides information to users in normal, conversational speech in response to spoken requests Nearly every major tech company—from Amazon to Intel to Microsoft to Google—is chasing the sort of conversational user interface that Kaplan and his colleagues at PARC imagined decades ago.

Read More