1. n. 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.
2. n. Approval, or permission to proceed.
We have a green light on the project. Work starts today.
3. n. (slang) A go-ahead to commit a crime, specifically to carry out a hit on someone (i.e. to kill).
Yo man, I heard someone had put a green light out on you, so watch your back.
Analysis
Green
1. adj. (politics) Of, or pertaining, to a Green Party or green party.
2. adj. Having green as its color.
The former flag of Libya is fully green.
3. adj. (figurative, of people) Sickly, unwell.
Sally looks pretty green — is she going to be sick?
light
1. n. (physics) Visible electromagnetic radiation. The human eye can typically detect radiation (light) in the wavelength range of about 400 to 750 nanometers. Nearby shorter and longer wavelength ranges, a
As you can see, this spacious dining-room gets a lot of light in the mornings.
2. n. A source of illumination.
Put that light out!
3. n. Spiritual or mental illumination; enlightenment, useful information.
Example Sentences
Some pronouncements of the judiciary seemed to reflect the climate of the time and to give the green light to some of the excesses of the security forces.
China should give me the green light, without preconditions.
There is a flash, and green light suffuses the suite.
