1
: a light with a reflector and special lens mounted on the front of a vehicle to illuminate the road ahead
also
: the beam cast by a headlight
2
: a light worn on the forehead (as of a miner or physician)
Examples of headlight in a Sentence
Recent Examples on the Web
Significant improvements have been made to the standard equipment, which now includes wireless phone charging, matrix LED headlights, and leather upholstery.
—
New Atlas, 7 July 2025
Visibility priority: Ensure your vehicle is visible to others by using low-beam headlights, which also activate your taillights.
—Kansas City Star, 7 July 2025
Visibility matters: Enhance your visibility in heavy rain by activating your headlights.
—Southern California Weather Report, Oc Register, 3 July 2025
Keep your headlights on and turn on emergency flashers to alert other drivers of your position.
—Bay Area Weather Report, Mercury News, 3 July 2025
See All Example Sentences for headlight
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New Atlas, 7 July 2025
Visibility priority: Ensure your vehicle is visible to others by using low-beam headlights, which also activate your taillights.
—Kansas City Star, 7 July 2025
Visibility matters: Enhance your visibility in heavy rain by activating your headlights.
—Southern California Weather Report, Oc Register, 3 July 2025
Keep your headlights on and turn on emergency flashers to alert other drivers of your position.
—Bay Area Weather Report, Mercury News, 3 July 2025
See All Example Sentences for headlight
Cite this Entry
“Headlight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headlight. Accessed 23 Jul. 2025.
Copy CitationKids Definition
headlight
noun
head·light
ˈhed-ˌlīt 
: a light on the front of a vehicle
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