1. (

• drain ,
• run_out ,

) flow off gradually; "The rain water drains into this big vat" ;

2. (

• drain

) deplete of resources; "The exercise class drains me of energy" ;

3. (

• drain ,

) empty of liquid; drain the liquid from; "We drained the oil tank" ;

4. (

• enfeeble ,
• debilitate ,
• drain ,

) make weak; "Life in the camp drained him" ;

1. (

• drained

) 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

) very tired ;

3. (

• dead ,
• drained

) drained of electric charge; discharged; "a dead battery"; "left the lights on and came back to find the battery drained" ;