green light, the
Permission to go ahead, as in The chief gave us the green light for starting this project. This term originated in the late 1800s for the signal used by railroads to indicate that a train could proceed. It was transferred to more general use in the first half of the 1900s.
Words nearby green light, the
green keeper,
green lead ore,
green leek,
green light,
green light district,
green light, the,
green line,
green lung,
green manure,
green mold,
green monkey