noun

1. the act of a person or thing that runs (in various senses); racing, managing, proceeding, etc.
2. the condition of a track with reference to its use in a race
3. 1. that which runs, or flows
   2. the amount or quantity that runs

adjective

1. moving, passing, or advancing rapidly
2. 1. run at a rapid gait a running race
   2. trained to race at this gait: said of a horse
3. flowing running water
4. cursive: said of handwriting
5. melting; becoming liquid or fluid
6. discharging liquid; esp., discharging pus, etc. a running sore
7. creeping or climbing: said of plants
8. going, or in operation, as machinery
9. in a straight line; linear: said of measurement a running foot
10. going on, extending, etc. without interruption; continuous a running commentary, a running pattern
11. prevalent running costs
12. in progress; current a running account
13. concurrent; simultaneous a running translation
14. moving or going easily or smoothly
15. moving when pulled, as a rope
16. done in a run with a running start a running jump
17. of the normal run (of a train, bus, etc.) running time
18. of or appropriate for running for exercise or sport a running shoe

adverb