fast-moving

Adjective

fast-moving (comparative faster-moving or more fast-moving, superlative fastest-moving or most fast-moving)

1. Moving rapidly.
   • Most of the "railroad" films of the next decade were suspense features exploiting the dramatic quality of the fast-moving train in danger or^([sic]) threatening the beautiful heroine tied to the permanent way by the villains.1958 February, David Gunston, “Railways on the Screen”, in Railway Magazine, page 87
   • As a Hitchin signalman once pointed out to me, when a regulating quandary arises concerning a fast-moving Class A train there is no time to consult Control and get their answer before the express is on one's doorstep.1962 May, G. Freeman Allen, “Traffic control on the Great Northern Line”, in Modern Railways, page 343

   Antonyms:

   slow-moving

2. Of a situation in which events follow each other in quick succession.
3. That is sold quickly.
   • fast-moving consumer goods