green light Hear it!

green light definition

green light

Informal permission or authorization to proceed with some undertaking, as a project to make a film from a proposed script
usually in give (or get) the green light give (or get) the green light

Etymology: in allusion to the green “go” signal of a traffic light

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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