: 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
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, 8 May 2025
Pieces of broken taillight found where prosecutors say the woman hit her cop boyfriend with her SUV and left him in the snow.
—N'dea Yancey-Bragg, USA Today, 7 May 2025
Ryan Nagel also testified that the taillight of the SUV, the area of the vehicle prosecutors say would strike O’Keefe, was intact at this time.
—Flint McColgan, Boston Herald, 6 May 2025
Ensure your vehicle is visible to others by using low-beam headlights, which also activate your taillights.
—Nc Weather Bot, Charlotte Observer, 5 May 2025
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Ca Weather Bot, Sacbee.com, 8 May 2025
Pieces of broken taillight found where prosecutors say the woman hit her cop boyfriend with her SUV and left him in the snow.
—N'dea Yancey-Bragg, USA Today, 7 May 2025
Ryan Nagel also testified that the taillight of the SUV, the area of the vehicle prosecutors say would strike O’Keefe, was intact at this time.
—Flint McColgan, Boston Herald, 6 May 2025
Ensure your vehicle is visible to others by using low-beam headlights, which also activate your taillights.
—Nc Weather Bot, Charlotte Observer, 5 May 2025
See All Example Sentences for taillight
Cite this Entry
“Taillight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/taillight. Accessed 21 May. 2025.
Copy CitationKids Definition
taillight
noun
tail·light
ˈtā(ə)l-ˌlīt 
: a red warning light mounted at the rear of a vehicle
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