green light

noun

: authority or permission to proceed

green-light

ˈgrēn-ˌlīt 

transitive verb

Synonyms of green light

• permission
• authorization
• consent
• granting
• sanction
• permit

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

Roku has given a green light to Scarlett Holmes, a new Roku Original limited series, with Lucy Hale set to star and executive produce. — Denise Petski, Deadline, 6 Oct. 2026

With Cruise, the decade-in-the-making project finally got its green light, along with its massive budget. — Seth Abramovitch, HollywoodReporter, 5 Oct. 2026

South Korea has not given the project an unconditional green light and says its participation will depend on the economics. — Neetika Walter, Interesting Engineering, 30 Sep. 2026

The hot and dusty city streets were bathed in decorative green light to celebrate National Day, as hundreds of electronic billboards projected the sword and script of the Saudi flag, shown fluttering as if caught in a breeze. — Matthew Chance, CNN Money, 24 Sep. 2026

Word History

Etymology

from the green traffic light which signals permission to proceed

First Known Use

1937, in the meaning defined above

Rhymes for green light

• affright
• airtight
• albite
• alight
• alright
• aplite
• aright
• bainite
• birthright
• bobwhite
• bornite
• bullfight