anti-collision

adjective

an·​ti-col·​lis·​ion
ˌan-tē-kə-ˈli-zhən,
ˌan-tī- How to pronounce anti-collision (audio)
: used or designed to help prevent collisions between aircraft, ships, etc.
anti-collision lights on airplane wings
an anti-collision system

Examples of anti-collision 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.
When flying a drone at night in the US, your drone must be fitted with an anti-collision light that is visible for a minimum of three miles. James Abbott, Space.com, 22 June 2025 Just as the jet was configured to land, the plane’s anti-collision technology alerted its pilots that there was a helicopter about 300 feet below the airplane and climbing slowly. Emily Steel, New York Times, 1 Feb. 2025 Those anti-collision systems have averted many midair catastrophes, often by telling one plane to dive and the other to climb. Matthew L. Wald, The New Yorker, 1 Feb. 2025 At night in an urban environment like Washington, D.C., or northern Virginia, pilots may not be able to see other aircraft and instead may rely on seeing anti-collision or landing lights, according to Brauchle. Chris Pandolfo, Fox News, 31 Jan. 2025 Helicopters usually have anti-collision lights on the top and bottom of the fuselage. George Petras, USA TODAY, 18 Dec. 2024 Drones flown overnight must also display anti-collision lighting. Zoe Sottile, CNN, 17 Dec. 2024 The closed-cell tongue blocks rain and debris, while the rubber anti-collision toe and waterproof sealing provide excellent protection on the trail. Karthika Gupta, Travel + Leisure, 4 Oct. 2024 Other impressive features include drop-sensing and anti-collision sensors that prevent the small but mighty machine from falling off stairs or colliding with furniture, walls, and other items in your home. Alicia Geigel, Better Homes & Gardens, 3 July 2024

Word History

First Known Use

1848, in the meaning defined above

Time Traveler
The first known use of anti-collision was in 1848

Browse Nearby Words

Cite this Entry

“Anti-collision.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anti-collision. Accessed 1 Jul. 2025.

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