col·​li·​sion | \ kə-ˈli-zhən How to pronounce collision (audio) \

Definition of collision

1 : an act or instance of colliding : clash
2 : an encounter between particles (such as atoms or molecules) resulting in exchange or transformation of energy

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Other Words from collision

collisional \ kə-​ˈlizh-​nəl How to pronounce collisional (audio) , -​ˈli-​zhə-​nᵊl \ adjective
collisionally adverb

Choose the Right Synonym for collision

impact, collision, shock, concussion mean a forceful, even violent contact between two or more things. impact may be used to imply contact between two things, at least one of which is impelled toward the other. the glass shattered on impact with the floor collision implies the coming together of two or more things with such force that both or all are damaged or their progress is severely impeded. the collision damaged the vehicle shock often denotes the effect produced by a collision and carries the suggestion of something that strikes or hits with force. the shock of falling rocks concussion when not in technical use, often suggests the shattering, disrupting, or weakening effects of a collision, explosion, or blow. bystanders felt the concussion of the blast

Examples of collision in a Sentence

The car was destroyed in the collision. the collision of two opposing philosophies regarding the rearing of children

Recent Examples on the Web

Two witnesses who were behind the teens’ white sedan before the crash told police the Jeep appeared to be speeding before the collision., "Suspect in Salem crash that killed 3 teens said he’d had 8 beers, records show," 4 June 2019 The video appears to lend credence to Ukrainian claims that Russian ships were trying to provoke an incident, as the Don appears to deliberately turn toward the smaller ship moments before collision. Kyle Mizokami, Popular Mechanics, "Russia Seizes Three Ukrainian Warships in Border Incident," 26 Nov. 2018 Data taken from a Model 3 compact sedan that crashed in Florida showed the driver hadn’t touched the steering wheel in the seconds leading up to the incident and made no effort to avoid the collision, according to the National... Tim Higgins, WSJ, "Tesla’s Autopilot Was Engaged in Fatal Florida Crash, Investigators Find," 16 May 2019 More in Musk The satellites come with a Startracker navigation system so SpaceX can point them with precision, and can also track on-orbit debris and avoid collisions. Andrew Daniels, Popular Mechanics, "Here's How to Watch SpaceX Launch Its Starlink Satellites," 15 May 2019 This collection was based on a 1920s cartoon in the satirical British weekly Punch titled Afghanistan Repudiates Western Ideals and explored a collision of Occidental and Afghan dress in John’s characteristically intriguing way. Hamish Bowles, Vogue, "The Story Behind Hamish Bowles’s Maison Margiela Artisanal by John Galliano Met Gala Look," 8 May 2019 Useful safety features like automated emergency braking and forward-collision warning come standard. The Good Housekeeping Institute, Good Housekeeping, "The Best New Cars of 2019," 15 Apr. 2019 After Trivigno tied it, Chaffee and Leonard scored 18 seconds apart during a 5-minute power-play after Barrow was ejected for hitting Del Gaizo in the head during a mid-ice collision. John Wawrow, The Seattle Times, "Del Gaizo seals UMass’ 4-3 OT win over Denver," 12 Apr. 2019 The lower-power Y-series chips also see a collision between 10nm Tiger Lake-Y (4 cores), 10nm Ice Lake-Y (2 cores), 14nm Comet Lake Y (2-4 cores), and 14nm Amber Lake Y (2-4 cores), too. Mark Hachman, PCWorld, "Leaked Intel roadmaps call Intel's 10nm transition into question yet again," 26 Apr. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'collision.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of collision

15th century, in the meaning defined at sense 1

History and Etymology for collision

Middle English, from Latin collision-, collisio, from collidere

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Statistics for collision

Last Updated

16 Jun 2019

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Time Traveler for collision

The first known use of collision was in the 15th century

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More Definitions for collision



English Language Learners Definition of collision

: a crash in which two or more things or people hit each other
: a situation in which people or groups disagree : a clash or conflict


col·​li·​sion | \ kə-ˈli-zhən How to pronounce collision (audio) \

Kids Definition of collision

: an act or instance of colliding

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Comments on collision

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