Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “collision”


noun     /kəˈlɪʒən/
[C] an accident that happens when two vehicles hit each other with force Accidents involving vehicles
(Definition of collision noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “collision” in other dictionaries

Word of the Day


a good knowledge of something, or the fact that you know it so well

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More