: 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, 3 Dec. 2025
Ensure your vehicle is visible to others by using low-beam headlights, which automatically activate your taillights.
—Southern California Weather Report, Oc Register, 1 Dec. 2025
In 2023, Madel represented Minnesota State Patrol trooper Ryan Londregan, a White man, who was charged with murder, assault and manslaughter in the fatal shooting Ricky Cobb II, a Black man, on the morning of July 31, 2023, during a traffic stop for inactive taillights.
—Stephen Swanson, CBS News, 1 Dec. 2025
That meant depicting the Joined’s mass exodus from Albuquerque with an ambitious panoramic shot of taillights on ABQ’s freeway system.
—Brian Davids, HollywoodReporter, 28 Nov. 2025
See All Example Sentences for taillight
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Ca Weather Bot, Sacbee.com, 3 Dec. 2025
Ensure your vehicle is visible to others by using low-beam headlights, which automatically activate your taillights.
—Southern California Weather Report, Oc Register, 1 Dec. 2025
In 2023, Madel represented Minnesota State Patrol trooper Ryan Londregan, a White man, who was charged with murder, assault and manslaughter in the fatal shooting Ricky Cobb II, a Black man, on the morning of July 31, 2023, during a traffic stop for inactive taillights.
—Stephen Swanson, CBS News, 1 Dec. 2025
That meant depicting the Joined’s mass exodus from Albuquerque with an ambitious panoramic shot of taillights on ABQ’s freeway system.
—Brian Davids, HollywoodReporter, 28 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 5 Dec. 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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