red light
a red lamp, used as a traffic signal to mean “stop.”
an order or directive to halt an action, project, etc.: There's a red light on all unnecessary expenses.
a children's running game in which players must stop when “Red light!” is called.
a signal of danger; warning.
Origin of red light
1Words Nearby red light
Other definitions for red-light (2 of 2)
Informal. to stop or deter by means of or as if with a red light.
Origin of red-light
2Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use red light in a sentence
While the toaster is making toast, it emits a beeping noise and a red light flashes.
All the Marvel Clues You Missed in WandaVision's First Two Episodes | Eliana Dockterman | January 15, 2021 | TimeAll along Pennsylvania Avenue, red lights flashed on parked emergency vehicles.
Woman dies after shooting in U.S. Capitol; D.C. National Guard activated after mob breaches building | Washington Post Staff | January 7, 2021 | Washington PostMy mother was driving him home from an appointment one day and at a red light, he jumped out of the car and vanished, returning home hours later as though nothing were wrong.
“We wanted that to be true so bad that we were missing the red lights telling us that can’t be the case,” says Beth Hayes, a microbiologist in Chou’s lab.
How some ticks protect themselves from deadly bacteria on human skin | Erin Garcia de Jesus | December 10, 2020 | Science NewsThe rarest and most massive blue stars are so hot they ionize hydrogen gas, causing it to emit red light as electrons settle back into position around protons.
Runaway stars may create the mysterious ultraviolet glow around some galaxies | Ken Croswell | November 30, 2020 | Science News
A car parked at a red light honked its horn in rhythm with the chant as the crowd passed in front of it.
‘They Let Him Off?’ Scenes from NYC in Disbelief | Jacob Siegel | December 4, 2014 | THE DAILY BEAST"I'm sorry, we're going to have to run this red light," the driver said, according to Simonetti.
In November 2012, police officers in Racine County, Wisconsin, pulled Matson over for running a flashing red light.
The U.S. Veteran and Wisconsin Boy Who Went to Fight ISIS in Syria | Jacob Siegel | October 3, 2014 | THE DAILY BEASTAnd also probably because this fool stopped at a red light in the middle of an intersection.
The Amanda Bynes Train Wreck Is Back Again, Following a New DUI Arrest | Kevin Fallon | September 29, 2014 | THE DAILY BEASTA block away, a car without a driver speeds through a red light and crashes into oncoming traffic.
The Rapture: The Theological Idea That Inspired ‘The Leftovers’ | Matthew Paul Turner | July 6, 2014 | THE DAILY BEASTIn a few minutes, however, a thin thread of red light was seen to curve upwards into the black sky.
The Floating Light of the Goodwin Sands | R.M. BallantyneFrom the wall beyond him a red light was flashing; a crystal flamed forth with the intense glare of a thousand fires.
Astounding Stories, May, 1931 | VariousThe electric light darted down and converted the contents into a liquid flood of red light.
Menotah | Ernest G. HenhamHe could see a masthead light, her red light (with glasses), and a "glare of white lights on her afterdeck."
Loss of the Steamship 'Titanic' | British GovernmentAn eye of red light suddenly opened in the silver stream shows three men standing by a snowy tent.
It Is Never Too Late to Mend | Charles Reade
British Dictionary definitions for red light
a signal to stop, esp a red traffic signal in a system of traffic lights
a danger signal
an instruction to stop or discontinue
a red lamp in a window of or outside a house indicating that it is a brothel
(as modifier): a red-light district
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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