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Synonyms

all clear

American  

noun

  1. the signal that an air raid or other danger is over.

all clear British  

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

Etymology

Origin of all clear

First recorded in 1915–20

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But she added that she would like to see intermediate-term metrics improve before waving the all clear.

From MarketWatch

The second delay came after Ms Loughman received a message from police saying the trial was "all clear" to go ahead, only for the case to be withdrawn again eight hours later with no explanation.

From BBC

"That said, today's data were not so soft that the Committee can sound the all clear," they added.

From BBC

Already today there have been three bomb threats on other services, forcing staff to evacuate the trains until explosives experts have given the all clear.

From BBC

It is not at all clear that the constitution will define next year's contest, for all that John Swinney says he is targeting an SNP majority to deliver indyref2.

From BBC

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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