drain verb

1 make sth empty/dry

ADV. thoroughly, well Remove the artichokes, drain thoroughly and allow to cool. well-drained soil

2 make sb/sth weaker/poorer, etc.

ADV. totally, utterly | emotionally, physically | away draining away the country's coal reserves

PREP. of His voice was utterly drained of emotion.

PHRASES be/feel drained Sue felt exhausted and emotionally drained.