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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
According to Travis Bryant who witnessed the incident and later posted the video, Johnson had fallen asleep at a stoplight while operating a vehicle. Olivia Rose, The Arizona Republic, 24 Oct. 2024 The administration argues the plan, which will be on the Nov. 5 ballot, could decrease residents' reliance on cars, and could time stoplights to make commutes quicker for people who drive. Alex Fitzpatrick, Axios, 8 Oct. 2024 Though effective, adaptive stoplights are costly to install and maintain. Lauren Leffer, Scientific American, 15 Aug. 2024 Google has figured out an easy-to-implement system for minimizing delays and frustration at some stoplights. Lauren Leffer, Scientific American, 15 Aug. 2024 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

Dictionary Entries Near stoplight

Cite this Entry

“Stoplight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stoplight. Accessed 15 Nov. 2024.

Kids Definition

stoplight

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

More from Merriam-Webster on stoplight

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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