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
Generally, a car warranty covers something that breaks during normal use, not something that’s damaged during an accident or something that regularly requires replacement (like a headlight or windshield wiper).
—
Kate Tully Ellsworth, USA Today, 18 May 2026
Deputies said the off-road motorcycle was not equipped with a headlight or taillight and was not authorized for use on roadways.
—Paula Wethington, CBS News, 18 May 2026
Ensure your vehicle is visible to others by using low-beam headlights, which also activate your taillights.
—Nc Weather Bot, Charlotte Observer, 18 May 2026
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, 18 May 2026
See All Example Sentences for headlight
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Kate Tully Ellsworth, USA Today, 18 May 2026
Deputies said the off-road motorcycle was not equipped with a headlight or taillight and was not authorized for use on roadways.
—Paula Wethington, CBS News, 18 May 2026
Ensure your vehicle is visible to others by using low-beam headlights, which also activate your taillights.
—Nc Weather Bot, Charlotte Observer, 18 May 2026
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, 18 May 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 21 May. 2026.
Copy CitationKids Definition
headlight
noun
head·light
ˈhed-ˌlīt 
: a light on the front of a vehicle
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