green light

Definitions

1. A traffic light in its green state (indicating that vehicles may proceed).
2. Approval, or permission to proceed.
   idiomatic
3. A go-ahead to commit a crime, specifically to carry out a hit on someone (i.e. to kill).
   slang

Equivalents

Examples

“The drive⟳ home was much faster than usual; somehow we managed to hit every green light⟳.”

“We have⟳ a green light⟳ on the project. Work⟳ starts today.”

“And Crossrail's Class 345 Aventra fleet finally has the green light⟳ to carry⟳ passengers to Heathrow Airport, after the Office of Rail and Road granted approval for the European Train⟳ Control⟳ System (ETCS) Level 2 overlay system.”

“Yo man, I heard someone had put⟳ a green light⟳ out on you, so watch⟳ your back.”

CEFR level