Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “confirm”

confirm

verb uk   /kənˈfɜːm/ us    /-ˈfɝːm/

confirm verb (MAKE CERTAIN)

B1 [I or T] to make an arrangement or meeting certain, often by phone or writing: [+ that] Six people have confirmed that they will be attending and ten haven't replied yet. Flights should be confirmed 48 hours before departure. I've accepted the job over the phone, but I haven't confirmed in writing yet.

confirm verb (PROVE TRUE)

B2 [T] to prove that a belief or an opinion that was previously not completely certain is true: [+ question word] The smell of cigarette smoke confirmed what he had suspected: there had been a party in his absence. [+ (that)] Her announcement confirmed (that) she would be resigning as prime minister. The leader's speech was impressive and confirmed her faith in the party.

confirm verb (RELIGION)

[T] to accept someone formally as a full member of the Christian Church at a special ceremony
(Definition of confirm from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of confirm?
Add Cambridge dictionaries to your browser to your website

Definitions of “confirm” 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