green light


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green light

n.
1. The green-colored light that signals traffic to proceed.
2. Informal Permission to proceed.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

green light

n
1. (Automotive Engineering) a signal to go, esp a green traffic light
2. permission to proceed with a project
vb (tr) , -lights, -lighting or -lighted
to permit (a project, etc) to proceed
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

green′ light′


n.
1. a green-colored traffic light used to signal permission to proceed.
2. authorization or permission to proceed with an action or project.
[1935–40]

green′-light′


v.t. -light•ed or -lit, -light•ing.
to give permission to proceed or authorization to (a project or person).
[1940–45]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.green light - a signal to proceedgreen light - a signal to proceed      
traffic light, traffic signal, stoplight - a visual signal to control the flow of traffic at intersections
2.green light - permission to proceed with a project or to take action; "the gave the green light for construction to begin"
permission - approval to do something; "he asked permission to leave"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

green light

noun authorization, sanction, approval, go-ahead (informal), blessing, permission, confirmation, clearance, imprimatur, O.K. or okay (informal) The project was given the green light in the Chancellor's autumn budget.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
Translations

green light

n to give sb/sth the green lightdare il via libera a qn/qc
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in classic literature ?
They stood in an empty space in the midst of great tree-trunks, and out there a little green light moving slightly up and down showed them where the steamer lay in which they were to embark.
But the green light, which was all they could see, and which they could see only when they were on top of a wave, moved steadily away from them, withal it was working up to windward, and grew dim and dimmer.
"It can't be midnight yet," I said, and then came a blinding glare of vivid green light. Everything in the kitchen leaped out, clearly visible in green and black, and vanished again.
They followed her gaze, and saw a green light and the loom of a vessel's sails.
One green light squinting over Kidd's Creek, which is near the mouth of the pirate river, marked where the brig, the JOLLY ROGER, lay, low in the water; a rakish-looking [speedy-looking] craft foul to the hull, every beam in her detestable, like ground strewn with mangled feathers.
In a moment a strange, unearthly, green light seemed to roll back the darkness.
The white and green light strained through apple trees and clustering vines outside fell over the rapt little figure with a half-unearthly radiance.
For they were in the streets of a beautiful emerald-green city, bathed in a grateful green light that was especially pleasing to their eyes, and surrounded by merry faced people in gorgeous green-and-gold costumes of many extraordinary designs.
I'm to carry a green light to starboard and a red to port, with a white light at the mast-head, and a flare-up every fifteen minutes."
I will state one other instance of unifor action, though of a very different nature, in a zoophyt closely allied to Clytia, and therefore very simply organized Having kept a large tuft of it in a basin of salt-water, whe it was dark I found that as often as I rubbed any part of branch, the whole became strongly phosphorescent with green light: I do not think I ever saw any object more beautifully so.
At the house with the green lights beside the steps he pulled up.
There were lovely silver lights upon the waves and three green lights upon the steamer in the middle of the bay.