Donk, not quite right, one may be stationary wrt your frame of reference, as the stationary object will still exert an equal and opposite force on the moving object, thus both objects will experience a change in their momentum.
col·li·sion [kuh-lizh-uhn]
noun
1. the act of colliding; a coming violently into contact; crash: the collision of two airplanes.
2. a clash; conflict: a collision of purposes.
3. Physics. the meeting of particles or of bodies in which each exerts a force upon the other, causing the exchange of energy or momentum.