1. [ noun ] (physics) an brief event in which two or more bodies come together
Synonyms: hit

"the collision of the particles resulted in an exchange of energy and a change of direction"

Related terms: contact physics collide
2. [ noun ] the act of colliding with something
Synonyms: crash smash

"his crash through the window" "the fullback's smash into the defensive line"

Related terms: hit impingement crash
3. [ noun ] a conflict of opposed ideas or attitudes or goals

"a collision of interests"

Related terms: dispute clash
4. [ noun ] an accident resulting from violent impact of a moving object

"three passengers were killed in the collision" "the collision of the two ships resulted in a serious oil spill"

Related terms: accident fender-bender pileup smash collide
Similar spelling:   Collison