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
Switch on headlights - Even during daylight hours, using headlights can enhance visibility and signal your presence to other drivers.
—
Kansas City Star Weather Bot, Kansas City Star, 27 Apr. 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.
—Nc Weather Bot, Charlotte Observer, 26 Apr. 2026
The rear bumper has a cleaner look, as does the front end, which has a simplified version of the previous split-lighting arrangement of daytime running lights above rectangular headlights nestled in coves that also house the intakes for the front-wheel air curtains.
—Stephen Edelstein, ArsTechnica, 23 Apr. 2026
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, 21 Apr. 2026
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Kansas City Star Weather Bot, Kansas City Star, 27 Apr. 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.
—Nc Weather Bot, Charlotte Observer, 26 Apr. 2026
The rear bumper has a cleaner look, as does the front end, which has a simplified version of the previous split-lighting arrangement of daytime running lights above rectangular headlights nestled in coves that also house the intakes for the front-wheel air curtains.
—Stephen Edelstein, ArsTechnica, 23 Apr. 2026
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, 21 Apr. 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 1 May. 2026.
Copy CitationKids Definition
headlight
noun
head·light
ˈhed-ˌlīt 
: a light on the front of a vehicle
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