movement, move, motion - the act of changing location from one place to another; "police controlled the motion of the crowd"; "the movement of people from the farms to the cities"; "his move put him directly in my path"

speedup, acceleration, quickening - the act of accelerating; increasing the speed

scud, scudding - the act of moving along swiftly (as before a gale)

fast - acting or moving or capable of acting or moving quickly; "fast film"; "on the fast track in school"; "set a fast pace"; "a fast car"