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.
—
Southern California Weather Report, Oc Register, 10 Apr. 2025
At that time, unregulated industrial emissions had degraded air quality so much that drivers often had to use headlights during the day.
—Bailey Berg, AFAR Media, 8 Apr. 2025
On March 14’s opening day, season ticket holders, their headlights cutting through the pre-dawn darkness, lined up hours before the park’s opening.
—Rebecca Deurlein, Forbes.com, 8 Apr. 2025
And delegates — especially Newsom — were like deer in headlights.
—George Skelton, Los Angeles Times, 7 Apr. 2025
See All Example Sentences for headlight
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Southern California Weather Report, Oc Register, 10 Apr. 2025
At that time, unregulated industrial emissions had degraded air quality so much that drivers often had to use headlights during the day.
—Bailey Berg, AFAR Media, 8 Apr. 2025
On March 14’s opening day, season ticket holders, their headlights cutting through the pre-dawn darkness, lined up hours before the park’s opening.
—Rebecca Deurlein, Forbes.com, 8 Apr. 2025
And delegates — especially Newsom — were like deer in headlights.
—George Skelton, Los Angeles Times, 7 Apr. 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 22 Apr. 2025.
Copy CitationKids Definition
headlight
noun
head·light
ˈhed-ˌlīt 
: a light on the front of a vehicle
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