Definition of 411 in English:



informal North American
  • the 411The relevant information or the truth.

    • ‘when guys come to you for the 411 on your friend, tell them they should talk to her’
    • ‘let me give you the 411, straight up’
    • ‘Here's the 411 on what should be a massive summer disc.’
    • ‘What's the 411 on Internet business opportunities?’
    • ‘Tune in next week for the 411, as the kids say.’
    • ‘The assumption is that attention spans are short and that readers must be given a quick 411 for you to have any hope of reeling them in.’
    • ‘We look at their latest kit and give you the 411.’
    • ‘Don't you have the 411 already?’
    • ‘I will gladly answer all your questions, give you all the 411 and we can set up an appointment.’
    • ‘Read this great 411 on Haircolor before you take the plunge.’
    • ‘He knows better than anyone what the sisters are really about, including the secret 411 on their fashion, hair and style likes and dislikes.’
    • ‘I found out that locations are kept secret but if you join the mailing list at their website you will be provided with the 411!’


From 411, the phone number of a directory assistance service in the US and Canada.