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

The collision led to a car fire that produced a lot of smoke, witnesses said. Christine Dempsey,, "Crash, car fire slow traffic on I-84 east in Hartford," 4 Sep. 2019 Springer was carted off the field following a grisly collision with the center-field wall on Tuesday, casting anything else that transpired at Miller Park rather moot. Chandler Rome, Houston Chronicle, "Astros worry about George Springer after loss to Brewers," 4 Sep. 2019 The collisions took place almost simultaneously at about 5:30 a.m. In Fremont, three to four cars collided on 880 near Auto Mall Parkway, causing injuries. Michael Cabanatuan,, "Severe traffic alerts issued after fatal crash on Hwy. 101, collisions on I-880," 4 Sep. 2019 The driver was not under the influence of alcohol at the time of the early morning collision, CBS L.A. reports. Danielle Garrand, CBS News, "Dwayne "The Rock" Johnson posts emotional message to Kevin Hart after car crash," 3 Sep. 2019 Large buildings in urban settings are not solely to blame for collisions., "Cleveland Metroparks partner with Ohio Lights Out to promote bird-friendly buildings," 2 Sep. 2019 Del Mar officials said four horses died during morning training this summer, including two killed in a head-to-head collision that those in the industry equate to a rarest-of-rare accident. San Diego Union-Tribune, "Column: So far, Del Mar survives summer under horse-racing microscope," 2 Sep. 2019 Still seemingly feeling the effects of an earlier collision with Aaron Lennon, he was replaced by Alex Oxlade-Chamberlain, with manager Jurgen Klopp taking no chances with his captain., "Jordan Henderson a Doubt for England After Ankle Knock in Liverpool's Win Over Burnley," 1 Sep. 2019 The resulting collision eliminated the pair as well as Arrow Schmidt Peterson Motorsports teammates Conor Daly and James Hinchcliffe. Christopher Deharde, Indianapolis Star, "Will Power's IndyCar victory rekindles memories of his first U.S. test," 1 Sep. 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

8 Sep 2019

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Time Traveler for collision

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

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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

What made you want to look up collision? Please tell us where you read or heard it (including the quote, if possible).


readily or continually undergoing change

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