: 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.
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 Onboard anti-collision alarms sounded in both cockpits and both planes circled the airport before making safe landings. Aaron Cooper, CNN Money, 21 Apr. 2026 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 The alert that the United pilots received is the most serious of the anti-collision alerts pilots can receive and requires immediate action. Clara McMichael, ABC News, 26 Mar. 2026 See All Example Sentences for anti-collision

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 8 Jul. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster