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 happened on the northbound lanes of SR 51 near Shea Boulevard at about 8 p.m. when an Audi, driven by Cardoza, veered off the right side of the road and crashed into a concrete retaining wall, DPS spokesman Bart Graves said. Chelsea Hofmann, azcentral, "DPS identify man who died in alleged street-racing accident on SR 51 in Phoenix," 19 Feb. 2020 The collision happened on the inbound lanes near the power plant, east of Muldoon Road. Anchorage Daily News, "Man hit and killed by vehicle after he was seen stumbling on the Glenn Highway near Fort Richardson," 10 Feb. 2020 The collision happened before 9 p.m. in the area of East 12th Street and 29th Avenue where the man’s vehicle got stuck on the tracks, KTVU reported. Alejandro Serrano,, "Amtrak train hits vehicle on tracks in Oakland, 1 person reported dead," 30 Jan. 2020 The collision happened just before 7 p.m. Saturday in the 2500 block of West Main Street. Lavendrick Smith, Dallas News, "Man fatally struck by car in Grand Prairie, police say," 26 Jan. 2020 The collision happened when the 81-foot fishing vessel Pappy’s Pride ran into the 600-foot chemical tanker Bow Fortune in foggy conditions near the Galveston jetties around 3:35 p.m. The fishing vessel capsized, sending four of its crew overboard. Nick Powell, Houston Chronicle, "1 fisherman killed, two missing after boat collision in Galveston," 15 Jan. 2020 After the deadly collision, Townsend stopped his car about three blocks away from the scene and was pulled out by a responding officer. NBC News, "Oklahoma man accused of plowing car into high school track team, killing 2," 8 Feb. 2020 Each victim died after a collision with a motor vehicle—a car, a truck, and in one case, a county bus. Alison Griswold, Quartz, "At least 29 people have died in electric scooter crashes since 2018," 7 Feb. 2020 Westbound lanes of Interstate 695 were closed in the District on Tuesday morning after a collision involving a truck left a highway sign in the middle of the highway. Justin Wm. Moyer, Washington Post, "Westbound I-695 closed in D.C. after truck collision leaves highway sign in road," 4 Feb. 2020

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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Time Traveler for collision

Time Traveler

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

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Statistics for collision

Last Updated

24 Feb 2020

Cite this Entry

“Collision.” Dictionary, Merriam-Webster, Accessed 28 Feb. 2020.

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More Definitions for collision


How to pronounce collision (audio)

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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