Synonyms for Drained (same or very similar meaning)
WordNet sense 1 (very tired):
knackered
WordNet sense 2 (depleted of strength or energy):
tired
WordNet sense 3 (drained of electric charge; discharged):
dead
WordNet sense 4 (of a particle or body or system; having no charge):
uncharged
From the ODE community, based on WordNet
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