drained in WordNet English dictionary

1. drained of electric charge; discharged
   "a dead battery"; "left the lights on and came back to find the battery drained"
   dead  drained 
   
2. 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"
   drained 
   
3. very tired
   knackered  drained