Meanings
From the standard red-green color scheme used in traffic lights and railway signals.
How to pronounce "green light":
AU
A traffic light in its green state (indicating that vehicles may proceed).
Example: "The drive home was much faster than usual; somehow we managed to hit every green light."
Approval, or permission to proceed.
Example: "We have a green light on the project. Work starts today."
A go-ahead to commit a crime, specifically to carry out a hit on someone (i.e. to kill).
Example: "Yo man, I heard someone had put a green light out on you, so watch your back."
Example Sentences
1
The project was given the green light and will start next month.
2
After months of preparation, the company finally got the green light to launch its new product.
3
The city council gave the green light for the construction of a new park.
4
The teacher gave the green light for the students to start their group project.
5
The coach gave the green light for the team to begin their practice.