or sign·off

[ sahyn-awf, -of ]
See synonyms for sign-off on
  1. the act or fact of signing off.

  2. personal approval or authorization; endorsement.

Origin of sign-off

First recorded in 1925–30; noun use of verb phrase sign off Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use sign-off in a sentence

British Dictionary definitions for sign off

sign off

  1. (intr) to announce the end of a radio or television programme, esp at the end of a day

  2. (intr) bridge to make a conventional bid indicating to one's partner that one wishes the bidding to stop

  1. (tr) to withdraw or retire from (an activity)

  2. (tr) (of a doctor) to declare (someone) unfit for work, because of illness

  3. (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]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.