Definition of fact checker in English:

fact checker

noun

  • See fact-check

    • ‘He's the new fact checker for the New York Times.’
    • ‘I like your publication but you could use a good fact checker.’
    • ‘The New Yorker is reportedly filled to the brim with fact checkers, whose sole job is to verify every single fact in a story, however trivial.’
    • ‘Maybe you need a fact checker to check your work?’
    • ‘As a fact checker, I'm responsible for verifying every last name, number, and nuance of every article I see.’