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
Keep your headlights on and turn on emergency flashers to alert other drivers of your position.
—
Southern California Weather Report, Daily News, 11 Feb. 2026
The green and white Serve robots have headlights resembling eyes and each bears a distinctive name.
—Robert Channick, Chicago Tribune, 9 Feb. 2026
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, 8 Feb. 2026
Use low-beam headlights if coming across any foggy conditions tomorrow morning during the commute.
—Lauren Bostwick, CBS News, 8 Feb. 2026
See All Example Sentences for headlight
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Southern California Weather Report, Daily News, 11 Feb. 2026
The green and white Serve robots have headlights resembling eyes and each bears a distinctive name.
—Robert Channick, Chicago Tribune, 9 Feb. 2026
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, 8 Feb. 2026
Use low-beam headlights if coming across any foggy conditions tomorrow morning during the commute.
—Lauren Bostwick, CBS News, 8 Feb. 2026
See All Example Sentences for headlight
Cite this Entry
“Headlight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headlight. Accessed 14 Feb. 2026.
Copy CitationKids Definition
headlight
noun
head·light
ˈhed-ˌlīt 
: a light on the front of a vehicle
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