green light

Definition of green light in English English dictionary: approval, or permission to proceed
We have a green light on the project. Work starts today.; A traffic light in its green state (indicating that vehicles may proceed)
The drive home was much faster than usual; somehow we managed to hit every green light.; when a script and thus a film gets the final approval from, in most cases, a studio to proceed with making the project This is usually given once a final budget is approved, though sometimes the rewrite of a script might affect this along with a certain actor or actress agreeing to be in the project; permission to proceed with a project or to take action; "the gave the green light for construction to begin"; signal to go ahead, formal approval; green colored light which signals that it is safe to proceed; go-ahead signal; A light behind the goal cage, next to the red light, that goes on when time has expired in a period When that green light goes on, the red light is locked out, so the goal judge can't indicate a goal if it comes immediately after the period ends; a signal to proceed
green lights: Third-person singular simple present indicative form of green light
green lights: plural form of green light
greenlight: To approve; to permit to proceed
gave him the green light: gave him the go-ahead
give green light: allow to start or continue an activity, give a signal allowing the start of an activity
green traffic light: green light that is one of three signal lights for regulating traffic (green indicates that it is safe to travel forward)
receive green light: be given the "go ahead