This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The act or process of colliding; a crash or conflict.

n. Physics A brief dynamic event consisting of the close approach of two or more particles, such as atoms, resulting in an abrupt change of momentum or exchange of energy.

n. An instance of colliding.

n. The act of striking together; a striking together, as of two hard bodies; a violent meeting, as of railroad trains; a clashing.

n. A state of opposition; antagonism; interference.

n. The act of striking or dashing together; a striking together of two bodies; the meeting and mutual striking or clashing of two or more moving bodies, or of a moving body with a stationary one; specifically, in recent use, the dashing together of two railroad-trains, or of two boats or ships.

n. Opposition; antagonism; counteraction: as, a collision of interests or of parties.

n. See extract.

n. Synonyms Concussion, etc. See shock.

To collide; strike against.

n. a conflict of opposed ideas or attitudes or goals

n. (physics) a brief event in which two or more bodies come together

n. an accident resulting from violent impact of a moving object

"For many observers, this California collision is the de facto NBA Finals."

difference    dispute    conflict    difference of opinion    striking    impinging    contact   

conflict    collision bulkhead   

collide   

collision course    collisional   

opposition    conflict    encounter    clashing    antagonism    interference   

Parisian    circumcision    decision    derision    division    envision    excision    incision    indecision    misprision   

disaster    encounter    accident    conflict    explosion    confrontation    quarrel    misunderstanding    clash    disturbance