taillight

noun

tail·​light ˈtāl-ˌlīt How to pronounce taillight (audio)
: a usually red warning light mounted at the rear of a vehicle

called also taillamp

Examples of taillight 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.
Make your vehicle visible to others both ahead of you and behind you by using your low-beam headlights since this means your taillights will also be on. Nc Weather Bot, Charlotte Observer, 24 Apr. 2025 Photo : Mercedes-Benz An uninterrupted taillight runs along the edge of the rear panel Bryan Hood Senior Staff Writer Bryan Hood is a digital staff writer at Robb Report. Bryan Hood, Robb Report, 22 Apr. 2025 Brennan also highlighted the broken taillight on Read’s car, pieces of which were found near O’Keefe’s body. Jon Blistein, Rolling Stone, 22 Apr. 2025 The rear end showcases elegant taillights that wrap around the vehicle. Josh Max, Forbes, 18 Mar. 2025 See All Example Sentences for taillight

Word History

First Known Use

1844, in the meaning defined above

Time Traveler
The first known use of taillight was in 1844

Browse Nearby Words

Cite this Entry

“Taillight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/taillight. Accessed 30 Apr. 2025.

Kids Definition

taillight

noun
tail·​light ˈtā(ə)l-ˌlīt How to pronounce taillight (audio)
: a red warning light mounted at the rear of a vehicle

More from Merriam-Webster on taillight

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!