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greenlight definition

green·light (grēn′līt′)

transitive verb greenlighted -·light′ed or greenlit -·lit′, greenlighting -·light′·ing

Informal to approve or give permission to proceed with (a project, funding proposal, etc., esp. a proposed film script)

Etymology: < green 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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