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

Rather than representing a green light for construction, the milestone marks an early step in the project’s development. — Kaif Shaikh, Interesting Engineering, 4 Aug. 2026

The second vehicle, which had a green light, was heading east when the two collided. — Shambhavi Rimal, Fort Worth Star-Telegram, 4 Aug. 2026

That has been interpreted by some as a green light for migrants to try to make it to Spanish territory. — Colette Davidson, Christian Science Monitor, 3 Aug. 2026

Apnimed, which funded the trial, is seeking FDA approval and hopes for a green light next year. — Hanna Wickes, Kansas City Star, 3 Aug. 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