green light

noun

: authority or permission to proceed
green-light transitive verb

Examples of green light in a Sentence

we were given the green light to use the town commons for our fund-raiser
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
With no shield to steer solar particles, the entire nightside sky can glow with diffuse green light, caused by oxygen atoms less than 60 miles (about 100 kilometers) above the surface. Sharmila Kuthunur, Space.com, 15 Sep. 2025 So Bridgewater introduced this red light-green light drill, modeled after the kids’ playground game. Luca Evans, Denver Post, 15 Sep. 2025 The crowd takes it all in wearing headphones with green lights, turning the night into a kind of silent disco in a scene straight out of Mad Max. David Hochman, Forbes.com, 14 Sep. 2025 The 16 clubs participating in Liga F gave their green light for the implementation of this system, which FIFA calls Football Video Support (FVS), early last month. Laia Cervelló Herrero, New York Times, 6 Sep. 2025 See All Example Sentences for green light

Word History

Etymology

from the green traffic light which signals permission to proceed

First Known Use

1937, in the meaning defined above

Time Traveler
The first known use of green light was in 1937

Browse Nearby Words

Cite this Entry

“Green light.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/green%20light. Accessed 20 Sep. 2025.

Last Updated: - Updated example sentences
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