traffic light

noun

: a visual signal (such as a system of colored lights) for controlling traffic

Examples of traffic light in a Sentence

Take a left at the traffic light.
Recent Examples on the Web
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Meanwhile, in Thimphu, Bhutan's biggest city and the world's only capital without traffic lights, the lodge sits in a vast forest just above town, a short drive from the towering Buddha Dordenma statue that keeps watch over the valley. Condé Nast, Condé Nast Traveler, 6 May 2026 Five twisters ripped through three counties south of Greenville that afternoon, and a traffic light dangles close to the car. Sean Gregory, Time, 6 May 2026 That’s the traffic light turned upside down — green, caution, and red. Ira Winderman, Sun Sentinel, 3 May 2026 The school moved to its current location off Tyvola Road in 2020 and sits in a stretch where parents say there’s too much distance between stop signs and traffic lights. Charlotte Observer, 30 Apr. 2026 See All Example Sentences for traffic light

Word History

First Known Use

1912, in the meaning defined above

Time Traveler
The first known use of traffic light was in 1912

Browse Nearby Words

Cite this Entry

“Traffic light.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/traffic%20light. Accessed 14 May. 2026.

Kids Definition

traffic light

noun
: a visual signal (as a system of green, yellow, and red lights) for controlling traffic

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