hazard lights

plural noun

: special lights on a vehicle that flash on and off and are used to warn other drivers (as when the vehicle is not working properly)
Turn on your hazard lights. Wait inside the car for your tow, and get out only if it's safe—meaning traffic is at a crawl.Adam Kleiner

called also hazards

Examples of hazard lights in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In extremely dense fog where visibility is near zero, the best course of action is to first turn on your hazard lights, then simply pull into a safe location such as a parking lot of a local business, and stop. Bay Area Weather Report, Mercury News, 19 Oct. 2025 Troopers were investigating a report of a person lying in the right lane of traffic near a service truck parked on the shoulder with its hazard lights flashing, the release says. Arkansas Online, 17 Oct. 2025 In extremely dense fog where visibility is near zero, the best course of action is to first turn on your hazard lights, then simply pull into a safe location such as a parking lot of a local business, and stop. Ca Weather Bot, Sacbee.com, 17 Oct. 2025 An officer who believed the car was disabled saw its hazard lights flashing and, upon checking, found both occupants deceased. Sarah Rumpf-Whitten, FOXNews.com, 14 Oct. 2025 See All Example Sentences for hazard lights

Word History

First Known Use

1966, in the meaning defined above

Time Traveler
The first known use of hazard lights was in 1966

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Cite this Entry

“Hazard lights.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hazard%20lights. Accessed 21 Oct. 2025.

Last Updated: - Updated example sentences
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