1. to extinguish (a flame, fire), to douse (transitive)

2. to satisfy (transitive, obsolete)

3. quench, slake (thirst, etc.) (transitive)

4. to shut off, to turn off, to switch off, to shut down, to power off (transitive)

5. to shut off, to turn off, to switch off, to shut down, to power off (transitive, computing)

6. to put out, to stub out (e.g., cigarette) (transitive)

7. to blow out (e.g., a candle), to snuff or snuff out (e.g., a torch) (transitive)

8. to fade; to wane (reflexive)

9. to go out, be extinguished (reflexive)