Something being lost or gone (such as time or energy) like “water down the drain.” The idea of getting rid of something (as in “washing your hands of” a particular matter).
Movement within a process, across space, or through time.
A blocked or backed up drain can represent a stalled process, or trouble stopping or getting rid of something.
See also: Sink, Pipe, Flow or River, Hose, Water, Vent, Valley, Canal, Passageway, Toilet, Funnel, Faucet, Blockage or Obstacle, Cleaning [1]
If the drain in your dream is functioning properly, all is well.
If it is not, there may be some need to examine why you are unable to let things go. [2]
