Certified ethical hacker cheat sheet. Definition of 'certified' certified in American English (ˈsɜrtəˌfaɪd ) adjective As a past tense verb, it means that someone has obtained proof of a certain qualification previously. To confirm formally as true, accurate, or genuine: The police certified that a suspect had been Law to give a license to (someone), often by providing a certificate:[~ + object] All the teachers in our program are certified. One of the most common types of certification in modern society is professional certification, where a person is certified as being able to competently complete a job or task, usually by the passing of an examination and/or the completion of a program of study. The meaning of CERTIFIED is having earned certification. Certified definition: having or proved by a certificate. The meaning of CERTIFIED is having earned certification. tr. How to use certified in a sentence. 1. The matter was thereupon certified to the Supreme Court. gdam o4 8nla ns1tl vjod6d0 gd3zd x9i8c rh tu aa