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

Scaling production of the solid-state battery With validation of the material chemistry and passing preliminary safety stress tests, the A-sample provides the foundational green light needed to move toward vehicle integration and eventual mass production. —Mrigakshi Dixit, Interesting Engineering, 15 Apr. 2026

Damion Scott of East Bay Housing Organizations said Tuesday the city’s green light to displace homeless residents would reliably direct them to lower-income neighborhoods instead of wealthier communities in the Oakland Hills. —Shomik Mukherjee, Mercury News, 15 Apr. 2026

The exemption isn't a full green light for the future product models from Netgear. —Michael Kan, PC Magazine, 14 Apr. 2026

The vehicle and the scooter collided on the north side of the intersection, police said, and at the time of the crash, northbound and southbound traffic had a green light. —Post-Tribune, Chicago Tribune, 14 Apr. 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