Definition of sign off in US English:

sign off

phrasal verb

  • 1Conclude a letter, broadcast, or other message.

    ‘he signed off with a few words of advice’
    • ‘I will sign off now with a honest, true and heartfelt message from Britain.’
    • ‘She ended her message by saying: ‘Now I need to sign off or I will be cycling home in the dark with no lights!’’
    • ‘It was their farewell message as they signed off.’
    • ‘At the end of every message that you post, you can sign off by mentioning your name and the URL of your web site.’
    • ‘The letter signs off with ‘I have no doubt we can look forward to your continued cooperation and support’.’
    • ‘‘Our customers end up saving more and getting a lot more than yours do,’ said the letter before signing off as ‘Your friends at Wanadoo’.’
    • ‘They were signing off for the season at the end of the broadcast last night.’
    • ‘When posting a message, remember to sign off with your name, followed by CPA, Esq. or both, public practice or industry and your city.’
    • ‘It has been my honor to serve you this year, but before I sign off, I have one more message to share with you.’
    • ‘I did a broadcast in which I said, I'm signing off now because there's a censor standing there and I'm not supposed to say something and I'd rather say nothing.’
    1. 1.1 Sign to record that one is leaving work for the day.
    2. 1.2Bridge Indicate by a conventional bid that one is seeking to end the bidding.