: 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, 26 Nov. 2025
Ensure your vehicle is visible to others by using low-beam headlights, which automatically activate your taillights.
—Nc Weather Bot, Charlotte Observer, 26 Nov. 2025
Ensure your vehicle is visible to others by using low-beam headlights, which automatically activate your taillights.
—Bay Area Weather Report, Mercury News, 25 Nov. 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.
—Star-Telegram Weather Bot, Fort Worth Star-Telegram, 25 Nov. 2025
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Ca Weather Bot, Sacbee.com, 26 Nov. 2025
Ensure your vehicle is visible to others by using low-beam headlights, which automatically activate your taillights.
—Nc Weather Bot, Charlotte Observer, 26 Nov. 2025
Ensure your vehicle is visible to others by using low-beam headlights, which automatically activate your taillights.
—Bay Area Weather Report, Mercury News, 25 Nov. 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.
—Star-Telegram Weather Bot, Fort Worth Star-Telegram, 25 Nov. 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 30 Nov. 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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