usage: flow off gradually; "The rain water drains into this big vat"
2. drain, consume, eat up, use up, eat, deplete, exhaust, run through, wipe out
usage: deplete of resources; "The exercise class drains me of energy"
3. drain, empty
usage: empty of liquid; drain the liquid from; "We drained the oil tank"
4. enfeeble, debilitate, drain, weaken
usage: make weak; "Life in the camp drained him"
Adjective
1. drained (vs. undrained), empty, exhausted
usage: emptied or exhausted of (as by drawing off e.g. water or other liquid); "a drained marsh"; "a drained tank"; "a drained and apathetic old man...not caring any longer about anything"
2. knackered, drained, tired (vs. rested)
usage: very tired
3. dead, drained, uncharged (vs. charged)
usage: drained of electric charge; discharged; "a dead battery"; "left the lights on and came back to find the battery drained"