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.
It’s meant to improve visibility on dark trails, while the taillight is designed to alert others to your location. — Utkarsh Sood june 07, New Atlas, 7 June 2026 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. — Star-Telegram Weather Bot, Fort Worth Star-Telegram, 16 June 2026 The adaptive system’s taillights even project turn signals onto the ground, a feature that should help nearby pedestrians and cyclists alike. — Bryan Hood, Robb Report, 10 June 2026 Ensure your vehicle is visible to others by using low-beam headlights, which also activate your taillights. — Nc Weather Bot, Charlotte Observer, 30 June 2026 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

Rhymes for taillight

See All Rhymes for taillight

Browse Nearby Words

taillie
taillight
taillike
See all Nearby Words

Cite this Entry

“Taillight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/taillight. Accessed 7 Jul. 2026.

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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

Nglish: Translation of taillight for Spanish Speakers

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