Synonyms for drain

noun

1. A pipe or conduit

   duct, channel, sewer; see conduit, pipe 1.

2. A gradual reduction

   exhaustion, depletion, draining, strain; see consumption 1, waste 1.

down the drain<strong>*

verb

1. To withdraw fluid

   divert, bleed, milk, tap, draw off, drink, remove, evaporate, catheterize; see also empty 2.

2. To withdraw strength

   exhaust, empty, consume, weary, tire out, expend, sap, dissipate, waste, tax, deplete, impoverish, get rid of, free from, bleed, debilitate, devitalize, enervate, reduce, filter off, remove, milk*; see also spend 1, tire 2, weaken 2.

   Antonyms revive*, refresh, replenish.

3. To seep away

   run out, run off, flow off, flow out, seep off, seep out, exude, trickle out, filter off, ooze, percolate, effuse, find an opening, osmose, decline, diminish, leave dry; see also flow 1, 2.

4. To empty

   pour, bail out, dump; see empty 2.