A short race at top speed, a quick run, The act of sprinting; a run of a short distance at full speed, verb_ run very fast, usually for a short distance, transitive, intransitive To run, cycle, etc. at top speed for a short period, intransitive verb_ To move rapidly or at top speed for a brief period, as in running or swimming, To move over (a distance) rapidly or at top speed for a brief period, To run very rapidly; to run at full speed.