Definition of: collision

(kə·lizh′ən) noun
1. The act of colliding.
2. Violent contact; clashing; antagonism. [<LL collisio, -onis <collidere COLLIDE] Synonyms: clash, clashing, concussion, conflict, contact, encounter, impact, meeting, opposition, shock. Collision is the result of motion or action and is sudden and momentary; contact may be a condition of rest and be continuous and permanent. Impact is the blow given by the striking body. Concussion is often by transmitted force rather than by direct impact; an explosion of dynamite shatters neighboring windows by concussion. Shock is the result of collision. Opposition is used chiefly of persons, less frequently of opinions or interests; conflict is used indifferently of all. See ENCOUNTER. Antonyms: agreement, amity, coincidence, concert, concord, concurrence, conformity, harmony, unison, unity.