: 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
In that case, Los Angeles police officers pulled over Adolph Lyons for a broken taillight, and eventually placed him in a chokehold.
—
Ian Millhiser, Vox, 10 Feb. 2025
The daytime running lights and digital OLED taillights that are new to Audi and part of the SQ6’s Prestige option package add to the vehicle’s unique look and can be customized with up to eight different lighting patterns.
—PCMAG, 6 Feb. 2025
Included in this category are driving without functioning headlights or taillights, driving without a mirror, window tint, throwing litter from a car and failure to illuminate a license plate among other violations.
—Reader Commentary, Baltimore Sun, 3 Feb. 2025
New fenders are more angular and the rear tailgate and taillights look more futuristic.
—Gordon G. Chang, Newsweek, 11 Dec. 2024
See all Example Sentences for taillight 
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Ian Millhiser, Vox, 10 Feb. 2025
The daytime running lights and digital OLED taillights that are new to Audi and part of the SQ6’s Prestige option package add to the vehicle’s unique look and can be customized with up to eight different lighting patterns.
—PCMAG, 6 Feb. 2025
Included in this category are driving without functioning headlights or taillights, driving without a mirror, window tint, throwing litter from a car and failure to illuminate a license plate among other violations.
—Reader Commentary, Baltimore Sun, 3 Feb. 2025
New fenders are more angular and the rear tailgate and taillights look more futuristic.
—Gordon G. Chang, Newsweek, 11 Dec. 2024
See all Example Sentences for taillight
Dictionary Entries Near taillight
Cite this Entry
“Taillight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/taillight. Accessed 18 Feb. 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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