Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “blow”

blow

verb [T]
 
 
/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.
(Definition of blow verb from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of blow?
Add Cambridge dictionaries to your browser to your website

Definitions of “blow” in other dictionaries

Word of the Day

dawn on sb

If a fact dawns on you, you understand it after a period of not understanding it.

Word of the Day

The language of work

by Kate Woodford,
October 15, 2014
Most of us talk about our jobs. We tell our family and friends interesting or funny things that have happened in the workplace (=room where we do our job), we describe – and sometimes complain about – our bosses and colleagues and when we meet someone for the first time, we tell

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More