green light
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noun
a green-colored traffic light used to signal drivers, pedestrians, etc., that they may proceed.
authorization; approval; permission: The railroad has been given the green light on the proposed fare increase.
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Definition for green light (2 of 2)
green-light
verb (used with object), green·-light·ed or green·-lit, green·-light·ing.
to give permission to proceed; authorize: The renovation project was green-lighted by the board of directors.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for green light
British Dictionary definitions for green light
green light
noun
a signal to go, esp a green traffic light
permission to proceed with a project
verb greenlight -lights, -lighting or -lighted (tr)
to permit (a project, etc) to proceed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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