collision - definition, thesaurus and related words from WordNet-Online

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Noun collision has 3 senses

collision, hit - (physics) an brief event in which two or more bodies come together; "the collision of the particles resulted in an exchange of energy and a change of direction"
--₁ is a kind of contact, impinging, striking

Derived forms: verb collide₁, verb collide₃
collision - 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"
--₂ is a kind of accident
--₂ has particulars: fender-bender; pileup; smash, smash-up
Derived form: verb collide₁
collision - a conflict of opposed ideas or attitudes or goals; "a collision of interests"
--₃ is a kind of dispute, difference, difference of opinion, conflict

Derived form: verb collide₂