all clear

See synonyms for all clear on Thesaurus.com
noun
  1. the signal that an air raid or other danger is over.

Origin of all clear

1
First recorded in 1915–20

Words Nearby all clear

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use all clear in a sentence

  • When the all-clear signal sounded inside the Shed, nobody paid any attention.

    Space Platform | Murray Leinster
  • "Think o' when the all-clear bugle sounds in Fulham," responded Bindle.

    Adventures of Bindle | Herbert George Jenkins
  • He remembered that Webster had promised to come and knock an all-clear signal on the door.

    The Girl on the Boat | Pelham Grenville Wodehouse

British Dictionary definitions for all clear

all clear

noun
  1. a signal, usually a siren, indicating that some danger, such as an air raid, is over

  2. an indication that obstacles are no longer present; permission to proceed: he received the all clear on the plan

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