all clear definition

  • noun:
    • a sign, frequently by siren, that an air raid is over or a danger has passed.
    • an indication that risk, such an air raid, is finished; often a siren at just one pitch
    • authorization to continue after hurdles are removed
    • a sign (usually a siren) that risk is finished
    • authorization to continue because obstacles being removed

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  • Definition for "all clear"
    • a sign, frequently by siren, that an air…
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