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.
Visibility priority: Ensure your vehicle is visible to others by using low-beam headlights, which automatically activate your taillights. Bay Area Weather Report, Mercury News, 31 May 2025 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. Ca Weather Bot, Sacbee.com, 31 May 2025 The crash expert pointed to a video showing him painting the taillight of the car before brushing up against it to mimic a collision. Julia Bonavita , Adam Sabes, FOXNews.com, 29 May 2025 Read’s defense probed Hartnett about how small pieces of the taillight remained in place for several days during a snowstorm after Read’s car was seized by police. Karissa Waddick, USA Today, 16 May 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 5 Jun. 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
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