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  • green light
    green light
    noun
    a green-colored traffic light used to signal drivers, pedestrians, etc., that they may proceed.
  • green-light
    green-light
    verb (used with object)
    to give permission to proceed; authorize.
Synonyms

green light

1 American  

noun

  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.


green-light 2 American  

verb (used with object)

green-lighted, green-lit, green-lighting
  1. to give permission to proceed; authorize.

    The renovation project was green-lighted by the board of directors.


green light British  

noun

  1. a signal to go, esp a green traffic light

  2. permission to proceed with a project

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Moises Razo had the green light on 3-0 count and delivers RBI single. 2-1 Bosco B5.

From Los Angeles Times • May 27, 2026

Colbert took the reins of Letterman’s comedy tradition once he received the green light from CBS to reclaim the aspects of his Comedy Central self.

From Salon • May 21, 2026

“This time around the green light has been fully given to a younger generation to put this content out. And they are using global pop culture to do so,” said Bajoghli.

From The Wall Street Journal • May 8, 2026

Citing unnamed security sources, Israel's Channel 12 News has reported that Washington may give Israel the "green light" to resume "operations".

From BBC • May 7, 2026

They were brown, shot with a green light.

From "The Two Towers" by J. R. R. Tolkien

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