sign off

1. misspellingMisspelling of signoff.

present singular third person signs off · participle present signing off · participle past signed off · past signed off

1. idiomaticTo log off; to stop using a computer, radio, etc.; especially, to stop talking.

   He finished the conversation and signed off.

   Synonyms: log off, log out, sign out · Antonyms: log in, log on, sign in, sign on

2. broadcastingTo cease broadcasting a radio or television signal, usually at the end of a broadcasting day.

   Before he signed off the radio station for the night, the disc jockey played the National Anthem.

   Synonyms: closedown

3. to give one's official approval to something for which it is needed, especially by a signature.

   Once the vice-president signs off on the project, we can start construction.

   3 more examples

   The town council, which closed the funicular last December for health and safety reasons, has yet to sign off the completion of £72,000 worth of remedial works to a retaining wall.

   2023 August 23, “Network News: Hold-up for Cliff Railway reopening”, in RAIL, number 990, page 14

   Scrapping the ancient primogeniture laws, signed off by the Queen in Perth ahead of the Commonwealth Heads of Government Meeting (CHOGM) in 2011, was one such modernizing move.

   2013 August 5, Robert Jobson, “Birth Of Prince George Signals New Royal Family For A New Generation”, in forbes.com

   I've come to the reluctant view that the only way to resolve this and have legitimacy in the eyes of the public is for the people themselves to sign it off.

   2019 May 23, “Brexit: Vote on Theresa May's deal may not happen next week”, in bbc.com

4. To use a valediction, such as the end of a letter or broadcast.

   In his early days as the anchor of the CBS Evening News, Dan signed off with a single word: Courage.

   2021 September 7, Neal Spelce, Thomas Zigal, With the Bark Off: A Journalist’s Memories of LBJ and a Life in the News Media, University of Texas Press, →ISBN

   2 more examples

   Boys of about fourteen to sixteen opened their letters to each other with 'manly' forms of address such as 'Amice' (My friend). They signed off with 'Vale' (Farewell), or 'TT' (Totus Tuus, All yours).

   2011 September 9, Willemijn Ruberg, Conventional Correspondence: Epistolary Culture of the Dutch Elite, 1770-1850, BRILL, →ISBN, page 81

   Lee scripted, art-directed, and edited most of Marvel's series, moderated the letters pages, wrote a monthly column called "Stan's Soapbox," and wrote endless promotional copy, often signing off with his trademark phrase "Excelsior".

   2017, Marvel Comics, Vol. 1, PediaPress, page 281