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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

  • green lights
    plural
  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

Other Word Forms

Noun Inflected Forms


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.

See Examples For:

After the test he was diagnosed with a superficial blood clot in his leg, and the team’s medical staff gave him the green light to play.

From The Wall Street Journal ● Oct. 21, 2026

Now that Jackdaw has the green light, it is set to start supplying gas to homes and businesses within weeks, the government said.

From Barron's ● Oct. 21, 2026

One of the largest media mergers in history has been given the green light after California and 11 other states settled lawsuits Monday.

From Salon ● Sep. 21, 2026

"This is called back-energy transfer: it means that the energy that would have been emitted by the erbium ions as green light instead gets bounced back to the ytterbium relay and never reaches the surface."

From Science Daily ● Sep. 20, 2026

The human children crested the hill, a dozen silhouettes backlit by the rippling green light of Progress.

From "The Undead Fox of Deadwood Forest" by Aubrey Hartman

“So far, we’ve seen no pressure on wages by any measure,” Lorizio said, but any uptick could serve as the final push for Fed officials to green-light rate increases.

From MarketWatch ● Jul. 7, 2026

The group concluded that there was a strong case to green-light the breeding program.

From Slate ● Apr. 28, 2026

The reform has the backing of governors from the Andean provinces, who would have greater latitude to green-light mining projects.

From Barron's ● Apr. 8, 2026

The punchline was that Reiner’s next one, “The Princess Bride,” wasn’t any easier to green-light.

From Los Angeles Times ● Dec. 15, 2025

With that, she broke into a run for the green-light tunnel, leaving Jack staring after her with an open mouth.

From "Half Upon a Time" by James Riley

The FDA had green-lighted the design of Moderna’s trial years ago.

From The Wall Street Journal ● Feb. 18, 2026

However in 2020 their legal challenge was dismissed by a federal court in Germany, which green-lighted construction to go ahead.

From BBC ● Apr. 22, 2025

County supervisors in late 2022 green-lighted an industrial real estate firm’s proposal to remove 117 homes and ranches in rural Bloomington to make way for more than 2 million square feet of warehouse space.

From Los Angeles Times ● Sep. 25, 2024

Many cities have relaxed controls on property deals imposed earlier to cool price bubbles, and some 6,000 property projects have been green-lighted for lending.

From Seattle Times ● Mar. 3, 2024

Among them Smithy threaded his way toward the green-lighted transfer zone, where he spiraled upward.

From Two Thousand Miles Below by Charles Willard Diffin

Premiering Wednesday on ABC and Disney+, this is apparently that rare thing in 21st century dealmaking and green-lighting, a pilot submitted for your approval.

From Los Angeles Times ● Feb. 4, 2026

Ahead of that meeting, Mr Sunak called the green-lighting of the march a "decision that the Metropolitan Police Commissioner has made".

From BBC ● Nov. 8, 2023

"Given current interest rates, Netflix will have to be very selective about green-lighting content and how they would finance it."

From Reuters ● Jan. 17, 2023

Mr. Crenshaw missed a vote on the rules package this week, in addition to one green-lighting the creation of the select subcommittee.

From Washington Times ● Jan. 12, 2023

“Stop canceling shows that people like, stop green-lighting so many ridiculous shows that nobody’s gonna watch, and stop raising the price,” they say.

From The Verge ● May 6, 2022

A third season has already been green-lit, amid rumors that Meghan Markle might join the cast.

From MarketWatch ● Aug. 31, 2026

Patel’s best hope is that the lawsuit is dismissed early, because it’s highly unlikely that the Atlantic green-lit a story they knew, as his lawsuit claims, to be full of “false and obviously fabricated allegations.”

From Salon ● Apr. 24, 2026

European regulators have also green-lit treatments by Sydnexis for progressive childhood myopia and Atara-Pierre Fabre’s for a rare blood cancer, both of which were recently rejected by the FDA.

From The Wall Street Journal ● Mar. 2, 2026

The policy, green-lit by Cardiff council on Friday, is focused on sustainability and promoting healthy food and drink.

From BBC ● Sep. 20, 2025

Together they enter the dim, green-lit elevator, ascend to the fifth floor holding hands.

From "American Gods" by Neil Gaiman

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