: 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
Still, Drury said, make sure to drive it in the rain, too, before buying it to see whether there are any leaky seals or foggy headlights or taillights.
—
Jamie L. Lareau, Freep.com, 10 Sep. 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, 6 Sep. 2025
Ensure your vehicle is visible to others by using low-beam headlights, which automatically activate your taillights.
—Nc Weather Bot, Charlotte Observer, 5 Sep. 2025
Volkswagen updated the 2025 Jetta GLI with a new grille, LED headlights, and light bars that connect across both the front grille and rear taillights.
—ArsTechnica, 27 Aug. 2025
See All Example Sentences for taillight
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Jamie L. Lareau, Freep.com, 10 Sep. 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, 6 Sep. 2025
Ensure your vehicle is visible to others by using low-beam headlights, which automatically activate your taillights.
—Nc Weather Bot, Charlotte Observer, 5 Sep. 2025
Volkswagen updated the 2025 Jetta GLI with a new grille, LED headlights, and light bars that connect across both the front grille and rear taillights.
—ArsTechnica, 27 Aug. 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 16 Sep. 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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