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
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.
The woman’s death is the 12th fatal traffic collision in Fremont this year, police said. Harry Harris, The Mercury News, 5 Nov. 2024 Police said the fatal collision occurred on Saturday, Oct. 26, after shots were fired near Avenue D in Birmingham around 6:45 p.m. local time, according to FOX affiliate WBRC and NBC affiliate WVTM-TV. Abigail Adams, People.com, 1 Nov. 2024 It was recorded that for the 2012 election there were 138 fatal motor vehicle collisions, in 2016, there were 150 and in 2020, there were 173. Gordon G. Chang, Newsweek, 1 Nov. 2024 The initial collision occurred around 5:55 a.m., according to the Los Angeles Police Department, when an 83-year-old man driving east on 3rd Street turned left onto Virgil Avenue and hit a 70-year-old woman. Jireh Deng, Los Angeles Times, 30 Oct. 2024 See all Example Sentences for collision 

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 24 Nov. 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
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