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.
As algae, phytoplankton has photosynthetic pigments, which absorb green light and cause the waters around it to appear primarily green, Susan Lozier, dean of the College of Sciences at the Georgia Institute of Technology and co-author of the paper, told ABC News. Julia Jacobo, ABC News, 19 June 2025 Scientists are addressing this problem with a new technology which causes such drugs to only become active upon exposure to green light. Ben Coxworth, New Atlas, 13 June 2025 If your host tells you he’s got it under control, let that be your green light to sit back and enjoy the party. Betsy Cribb Watson, Southern Living, 13 June 2025 Paramount+ has given a green light to My Nightmare Stalker: The Eva LaRue Story, a documentary which reveals the true story of how General Hospital‘s LaRue and her daughter endured 12 years of terror at the hands of a relentless stalker. Denise Petski, Deadline, 9 June 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 28 Jun. 2025.

Last Updated: - Updated example sentences
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