Longman Dictionary of Contemporary English homepage

Date: 1400-1500
Language: Latin
Origin: collisio, from collidere; COLLIDE

collision

noun
     
col‧li‧sion [uncountable and countable]
1 an accident in which two or more people or vehicles hit each other while moving in different directions [↪ collide]
collision with
The school bus was involved in a collision with a truck.
Two people were killed in a head-on collision (=between two vehicles that are moving directly towards each other) on highway 218.
2 a strong disagreement between two people or groups
collision between
a collision between the two countries over fishing rights
3

be on a collision course

a) to be likely to have serious trouble because your aims are very different from someone else's:
The two nations are on a collision course that could lead to war.
b) to be moving in a direction in which you will hit something:
an asteroid on a collision course with Earth
WORD FOCUS: accident WORD FOCUS: accident
similar words: crash, wreck American English, pile-up, collision, disaster, catastrophe


See also
accident

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary