verb (used with object), green·-light·ed or green·-lit, green·-light·ing.

  1. to give permission to proceed; authorize: The renovation project was green-lighted by the board of directors.


  1. a green-colored traffic light used to signal drivers, pedestrians, etc., that they may proceed.
  2. authorization; approval; permission: The railroad has been given the green light on the proposed fare increase.


  1. a signal to go, esp a green traffic light
  2. permission to proceed with a project

verb greenlight -lights, -lighting or -lighted (tr)

  1. to permit (a project, etc) to proceed

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