: 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, 21 Oct. 2025
Ensure your vehicle is visible to others by using low-beam headlights, which automatically activate your taillights.
—Bay Area Weather Report, Mercury News, 19 Oct. 2025
Our Prestige model offered an array of additional options such as 19-inch wheels, run-flat tires, adaptive cruise control, Bang and Olufsen sound system, OLED taillights, head-up display, LED headlights and panoramic sunroof all for an $8,400 increase.
—Marc D. Grasso, Boston Herald, 16 Oct. 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.
—Kansas City Star Weather Bot, Kansas City Star, 11 Oct. 2025
See All Example Sentences for taillight
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Ca Weather Bot, Sacbee.com, 21 Oct. 2025
Ensure your vehicle is visible to others by using low-beam headlights, which automatically activate your taillights.
—Bay Area Weather Report, Mercury News, 19 Oct. 2025
Our Prestige model offered an array of additional options such as 19-inch wheels, run-flat tires, adaptive cruise control, Bang and Olufsen sound system, OLED taillights, head-up display, LED headlights and panoramic sunroof all for an $8,400 increase.
—Marc D. Grasso, Boston Herald, 16 Oct. 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.
—Kansas City Star Weather Bot, Kansas City Star, 11 Oct. 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 24 Oct. 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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