1) Discharged 2) Drained of electric charge 3) Drew off water from 4) Emptied 5) Emptied or exhausted of 6) Emptied out 7) Empty 8) Exhausted 9) Like a pallid face 10) Out of pep 11) Pulled the plug on 12) Really ready to rest 13) Spent 14) Very tired Found on https://www.crosswordclues.com/clue/drained
adjective 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` Found on https://www.encyclo.co.uk/local/20974