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Definition of collision

collision

/kəˈlɪʒ.ən/
col · li · sion

Plural:collisions
•
Adjective:collisional
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collision Lexical Profile

collision Game Scores & Validity

• noun

1

An instance of one moving object or person striking violently against another.

Example

"The morning commute was delayed by a minor collision between two buses on the bridge."


2

A conflict between opposing ideas, interests, or factions.

Example

"The debate highlighted a fundamental collision between traditional values and modern economic policies."


3

In computing and telecommunications, a situation in which two or more data packets are transmitted simultaneously over a shared channel, or where two distinct inputs produce the same hash value.

Example

"The cryptographic algorithm was retired after researchers discovered a vulnerability to hash collisions."

Synonyms
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Antonyms
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Word Nuance & Usage

Do not confuse 'collision' (a violent impact or clash) with 'collusion' (secret or illegal cooperation).

• Rhymes for collision

Word Origin & Etymology

Borrowed from Late Latin 'collisio', from Latin 'collidere' ('to strike or clash together'), formed from 'com-' ('together') and 'laedere' ('to strike or injure').

Cite this Entry


Wordmom. (2026). Definition of Collision. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/collision
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