Synonyms for Depletes:

v.

•consumes (verb)
spends, devours, consumes, dissipates, exhausts, expends.
•decreases (verb)
curtails, subsides, abridges, shortens, dies down, dwindles, decreases, compresses, lowers, concentrates, contracts, recedes, diminishes, erodes, abbreviates, deducts, drains, truncates, decrements, lessens, shrinks, abates, compacts, deflates.
•diminishes (verb)
minimizes, crops, downgrades, reduces, pares, trims, condenses, lightens, shears, weeds, shaves, bobs, prunes, nips, Clips, Culls, tapers.
•loses (verb)
dissolves, dispossesses, loses, drops, misplaces, forfeits, debits, divests.