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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.

Wylie does, recalling "the wail of sirens and then the release wail of the all clear and the smell of gas".

From BBC

Ferris, who was 33 weeks pregnant with their first child, had been given the all clear for the trip and flight by her midwife and GP.

From BBC

When they are, classroom doors are locked and hallways emptied until staff announce “all clear.”

From Los Angeles Times

The other day we sat in a trench behind Hut 4 for over an hour before Mr. Tooth announced the all clear.

From Literature

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

From MarketWatch