plural noun
Accidents in which two moving vehicles, people, or objects hit each other.
These collisions caused long traffic delays.
Police are investigating several collisions on the highway.
American English
How to pronounce collisions
nounB2Common word
kuhLIHzhnz
/kʰəˈlɪ.ʒn̩z/
3 syllables · Stress the second syllable.
Form of collision
Accidents in which two moving vehicles, people, or objects hit each other.
Practice out loudMeanings & examples
plural noun
Strong clashes between people, groups, ideas, or plans.
These collisions between political groups can delay important decisions.
The book examines collisions between old traditions and new ideas.
Useful expressions
a crash in which the front parts of two vehicles hit each other
The highway was closed after a head-on collision.
moving toward a serious conflict or crash
The two companies are on a collision course.