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.
The rear taillights, unfortunately, look to be grafted from a Polestar model, perhaps the result of Bentley head designer Robin Page’s Swedish sojourn with Volvo before his 2023 return to England. Brett Berk, Robb Report, 8 July 2025 Guide Corp in Anderson, a manufacturer of auto taillights and headlights, pleaded guilty to releasing toxins into the river. John Tuohy, IndyStar, 2 July 2025 At the rear the quad-lamp taillights remain, but the exhaust outlets and lower bumper are revised and have a more cohesive and upscale appearance. Karl Brauer, Forbes.com, 1 July 2025 Broken taillight Pieces of Read’s taillight were found on the scene where O’Keefe’s body was located, investigators said. Melina Khan, USA Today, 19 June 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

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Cite this Entry

“Taillight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/taillight. Accessed 14 Jul. 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

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