[ sahyn-awf, -of ]
/ ˈsaɪnˌɔf, -ˌɒf /
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the act or fact of signing off.
personal approval or authorization; endorsement.
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Origin of sign-off
First recorded in 1925–30; noun use of verb phrase sign off
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use sign-off in a sentence
She noted that in New York state, private adoptions require judicial sign-off.Should Woody Allen Have Been Allowed to Adopt?|Keli Goff|February 7, 2014|DAILY BEAST
Such seamless integration will require user sign-off before it goes into action.What Did Facebook Change Now?|Brian Ries|September 21, 2011|DAILY BEAST
No, he kept saying, he did not agree to restore the U.N. sign-off for air strikes.Speed Read: The Clinton Tapes|The Daily Beast|September 29, 2009|DAILY BEAST
The last three words were his trademark, his invariable sign-off.Evil Out of Onzar|Mark Ganes
British Dictionary definitions for sign-off
(intr) to announce the end of a radio or television programme, esp at the end of a day
(intr) bridge to make a conventional bid indicating to one's partner that one wishes the bidding to stop
(tr) to withdraw or retire from (an activity)
(tr) (of a doctor) to declare (someone) unfit for work, because of illness
(intr) British to terminate one's claim to unemployment benefit
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with sign-off
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]
Stop talking, become silent, as in Every time the subject of marriage came up, Harold signed off. [Colloquial; mid-1900s]
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® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.