all clear

noun

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

Nearby words

all at once, all at sea, all better, all blacks, all but, all clear, all cylinders, all ears, all else being equal, all eyes, all fools' day

Origin of all clear

First recorded in 1915–20

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for all-clear

These all-clear fliers are filtered through special lines for expediency.
How to Skip the Airport Security Line During Thanksgiving|Nina Strochlic|November 26, 2013|DAILY BEAST
After a few minutes, the soldier gave the all-clear and they kept driving.
Where That Infamous Drone Photo Came From|Josh Dzieza|February 16, 2013|DAILY BEAST
A co-worker locked the door, and a few more tense minutes passed before the “all-clear” came.
Gunman Kills Two People and Himself in Shooting at Oregon Mall|Winston Ross|December 12, 2012|DAILY BEAST
And even the blogs covering this seismic event moment by moment were reluctant to sound the all-clear.
Earthquake Shakes the Philippines|Christopher Dickey|August 31, 2012|DAILY BEAST

"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
The bugles sounded All-clear in many keys all round the ear's horizon; their sound matched the waning moonlight.
Living Alone|Stella Benson
When the all-clear signal sounded inside the Shed, nobody paid any attention.
Space Platform|Murray Leinster

British Dictionary definitions for all-clear

all clear

noun

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

an indication that obstacles are no longer present; permission to proceedhe 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