stoplight

noun

stop·​light ˈstäp-ˌlīt How to pronounce stoplight (audio)
1
: a light on the rear of a motor vehicle that is illuminated when the driver presses the brake pedal
2

Examples of stoplight in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
There is not a single stoplight on the island, and not much need for stop signs. Andrew Carter, Chicago Tribune, 5 July 2026 If the stoplight is blinking red, stop completely and look both ways before continuing. Drew Aunkst, CBS News, 28 June 2026 While the small island, which only has one airport and no stoplights, has a year-round population of less than 15,000 people, the summer tourist season brings tens of thousands to its shores. Tereza Shkurtaj, PEOPLE, 21 June 2026 Most compact sedan buyers aren't drag racing between stoplights. New Atlas, 20 June 2026 See All Example Sentences for stoplight

Word History

First Known Use

1926, in the meaning defined at sense 1

Time Traveler
The first known use of stoplight was in 1926

Browse Nearby Words

Cite this Entry

“Stoplight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stoplight. Accessed 6 Jul. 2026.

Kids Definition

stoplight

noun
stop·​light ˈstäp-ˌlīt How to pronounce stoplight (audio)

More from Merriam-Webster on stoplight

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster