Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “certify”

See all translations

certify

verb uk   /ˈsɜː.tɪ.faɪ/ us    /ˈsɝː.t̬ə-/
[I or T] to say in a formal or official way, usually in writing, that something is true or correct: [+ (that)] I hereby certify (that) the above information is true and accurate. [+ noun/adj] The driver was certified (as) dead on arrival at the hospital. The meat has been certified (as) fit for human consumption. [T] to say officially that someone is mentally ill: As a young man, he had been certified and sent to a hospital for the mentally ill.
certification
noun [U] uk   /ˌsɜː.tɪ.fɪˈkeɪ.ʃən/ us    /ˌsɝː.t̬ə-/
(Definition of certify from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of certify?
Add Cambridge dictionaries to your browser to your website

Definitions of “certify” in other dictionaries

Word of the Day

glacial

made or left by a glacier

Word of the Day

Let’s celebrate! (words and phrases for parties)

by Kate Woodford,
December 17, 2014
​​​ With Christmas and New Year almost upon us, we thought it a good time to look at the language of parties and celebrations. First, let’s start with the word ‘party’ itself. To have or throw a party or, less commonly, to give a party is to arrange a party: We’re having a

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More