Adjective draining has 1 sense
  1. draining, exhausting - having a debilitating effect; "an exhausting job in the hot sun"
    Antonym: invigorating (indirect, via debilitating)
,Verb drain has 4 senses
  1. drain, run out - flow off gradually; "The rain water drains into this big vat"
    --1 is one way to run, flow, feed, course
    Derived forms: noun drainage1, noun drain3
    Sample sentence:
    The water drains
  2. drain - deplete of resources; "The exercise class drains me of energy"
    --2 is one way to
    consume, eat up, use up, eat, deplete, exhaust, run through, wipe out
    Derived form: noun drain4
    Sample sentences:
    Somebody ----s something
    Something ----s somebody
    Something ----s something
  3. drain - empty of liquid; drain the liquid from; "We drained the oil tank"
    --3 is one way to
    empty
    Derived forms: noun drainage1, noun drain3, noun drain1
    Sample sentence:
    They drain the water
  4. enfeeble, debilitate, drain - make weak; "Life in the camp drained him"
    --4 is one way to weaken
    Sample sentence:
    The performance is likely to drain Sue
,
TOP