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
Ensure your vehicle is visible to others by using low-beam headlights, which also activate your taillights.
—
Nc Weather Bot, Charlotte Observer, 4 Apr. 2026
Law enforcement also learned that a motorist with the two people was driving a vehicle slowly with its headlights off, officials said.
—Nick Lentz, CBS News, 3 Apr. 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, 2 Apr. 2026
Turn on your low-beam headlights.
—Maia Pandey, jsonline.com, 1 Apr. 2026
See All Example Sentences for headlight
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Nc Weather Bot, Charlotte Observer, 4 Apr. 2026
Law enforcement also learned that a motorist with the two people was driving a vehicle slowly with its headlights off, officials said.
—Nick Lentz, CBS News, 3 Apr. 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, 2 Apr. 2026
Turn on your low-beam headlights.
—Maia Pandey, jsonline.com, 1 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 6 Apr. 2026.
Copy CitationKids Definition
headlight
noun
head·light
ˈhed-ˌlīt 
: a light on the front of a vehicle
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