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
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, 25 Oct. 2025
Prioritize visibility Enhance your visibility in heavy rain by activating your headlights.
—Bay Area Weather Report, Mercury News, 22 Oct. 2025
The larger one is meant for delivery runs, and has a tall windshield, headlights, and covered cargo hold.
—New Atlas, 22 Oct. 2025
Switch on headlights - Even during daylight hours, using headlights can enhance visibility and signal your presence to other drivers.
—Nc Weather Bot, Charlotte Observer, 20 Oct. 2025
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Ca Weather Bot, Sacbee.com, 25 Oct. 2025
Prioritize visibility Enhance your visibility in heavy rain by activating your headlights.
—Bay Area Weather Report, Mercury News, 22 Oct. 2025
The larger one is meant for delivery runs, and has a tall windshield, headlights, and covered cargo hold.
—New Atlas, 22 Oct. 2025
Switch on headlights - Even during daylight hours, using headlights can enhance visibility and signal your presence to other drivers.
—Nc Weather Bot, Charlotte Observer, 20 Oct. 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 28 Oct. 2025.
Copy CitationKids Definition
headlight
noun
head·light
ˈhed-ˌlīt 
: a light on the front of a vehicle
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