collision

noun

col·​li·​sion kə-ˈli-zhən How to pronounce collision (audio)
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
collisional
kə-ˈlizh-nəl How to pronounce collision (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 Haney’s bill would require the companies to report to the DMV collisions during deployment as well, and the agency would have to publish incident reports on its website within 30 days. Mercury News & East Bay Times Editorial Boards, The Mercury News, 12 Apr. 2024 Rice’s charges include six counts of collision involving bodily injury. Pete Grathoff, Kansas City Star, 12 Apr. 2024 Grover was ejected from the bike as a result of the collision. City News Service, San Diego Union-Tribune, 11 Apr. 2024 The collision occurred around 1:34 p.m. in the area of Palm Street and East La Habra Boulevard. Mona Darwish, Orange County Register, 11 Apr. 2024 The collision caused the Humvee to go off the road and flip into the nearby tree line, according to police. Greg Wehner, Fox News, 10 Apr. 2024 Lawyers representing crash victims and family members who have sued Tesla over accidents say the determination bolsters their claims that the technology is defective and contributed to collisions. Andy Kalmowitz / Jalopnik, Quartz, 8 Apr. 2024 Neutron star collisions cause high-energy phenomena ranging from gamma rays to gravitational waves. Chris Impey, Discover Magazine, 8 Apr. 2024 The 11-acre facility — located at 53 Morrison Ave. near Del Paso Heights — has been used for truck rental, maintenance and collision repair for over 20 years, alleged the lawsuit filed last week in Sacramento Superior Court. Theresa Clift, Sacramento Bee, 4 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'collision.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

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

First Known Use

15th century, in the meaning defined at sense 1

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

Dictionary Entries Near collision

Cite this Entry

“Collision.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/collision. Accessed 17 Apr. 2024.

Kids Definition

collision

noun
col·​li·​sion kə-ˈlizh-ən How to pronounce collision (audio)
: an act or instance of colliding

More from Merriam-Webster on collision

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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