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green light

noun

Definition of green light

  1. :  authority or permission to proceed

green–light

play \ˈgrēn-ˌlīt\ transitive verb


Examples of green light in a sentence

  1. <we were given the green light to use the town commons for our fund-raiser>



Origin and Etymology of green light

from the green traffic light which signals permission to proceed


First Known Use: 1937


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