all clear


noun

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

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

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