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Definition of all-clear noun from the Oxford Advanced Learner's Dictionary

all-clear

noun
 
/ði ˌɔːl ˈklɪə(r)/
 
/ði ˌɔːl ˈklɪr/
usually the all-clear
[singular]
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  1. a signal (often a sound) that shows that a place or situation is no longer dangerous
    • The children hid in the basement until the all-clear sounded.
  2. if a doctor gives somebody the all-clear, they tell the person that he/she does not have any health problems
    • (figurative) The building was given the all-clear following tests.
    Topics Health problemsc2
  3. permission to do something
    • The ship was given the all-clear to sail.
trait
noun
 
 
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