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1. To end or announce the end of a program, transmission, broadcast, or other mass communication. And that brings us to the end of today's show. Until next time, this is your host, John Bicksby, signing off.
2. To end one's session in a digital account or network (typically one accessed by having entered personal credentials); to log off. If you're using a public computer, always make sure you sign off at the end of your session.
3. To cause someone's session in a digital account or network to be ended; to log someone off. In this usage, a noun or pronoun is usually used between "sign" and "off." Just when I was about to finalize the purchase, the site signed me off.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
1. Lit. [for a broadcaster] to announce the end of programming for the day; [for an amateur radio operator] to announce the end of a transmission. Wally signed off and turned the transmitter off. Channel 43 failed to sign off at the scheduled time last night.
2. Fig. to quit doing what one has been doing and leave, go to bed, quit trying to do something, etc. I have to sign off and get to bed. See you all. When you finally sign off tonight, please turn out all the lights.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
1. Announce the end of a communication, especially a broadcast. For example, There's no one there now; the station has signed off for the night. [c. 1920]
2. Stop talking, become silent, as in Every time the subject of marriage came up, Harold signed off. [Colloquial; mid-1900s]
3. Express approval formally or conclusively, as in The President got the majority leader to sign off on the tax proposal. This usage is colloquial.
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. To announce the end of a communication; conclude: I've come to the end of my message, so now I'm signing off.
2. To stop transmission after identifying the broadcasting station: This is your morning radio host, signing off.
3. sign off on To express approval formally or conclusively: The president got Congress to sign off on the new tax proposal.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.