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
Rainy weather driving tips Switch on headlights - Even during daylight hours, using headlights can enhance visibility and signal your presence to other drivers.
—
Ca Weather Bot, Sacbee.com, 12 Sep. 2025
Keep your headlights on and turn on emergency flashers to alert other drivers of your position.
—Bay Area Weather Report, Mercury News, 12 Sep. 2025
Prioritize visibility Enhance your visibility in heavy rain by turning on your headlights.
—Southern California Weather Report, Oc Register, 12 Sep. 2025
Rainy weather driving tips Switch on headlights - Even during daylight hours, using headlights can enhance visibility and signal your presence to other drivers.
—Nc Weather Bot, Charlotte Observer, 11 Sep. 2025
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Ca Weather Bot, Sacbee.com, 12 Sep. 2025
Keep your headlights on and turn on emergency flashers to alert other drivers of your position.
—Bay Area Weather Report, Mercury News, 12 Sep. 2025
Prioritize visibility Enhance your visibility in heavy rain by turning on your headlights.
—Southern California Weather Report, Oc Register, 12 Sep. 2025
Rainy weather driving tips Switch on headlights - Even during daylight hours, using headlights can enhance visibility and signal your presence to other drivers.
—Nc Weather Bot, Charlotte Observer, 11 Sep. 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 17 Sep. 2025.
Copy CitationKids Definition
headlight
noun
head·light
ˈhed-ˌlīt 
: a light on the front of a vehicle
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