The Oxford Thesaurus An A-Z Dictionary of Synonyms - exhaust v.

1) use (up) , expend, consume, finish, deplete, spend, dissipate, run through, squander, waste, fritter away, Slang blow: In less than a year, he had exhausted all his funds. 2) tire (out) , fatigue, weary, wear out, enervate, fag, overtire, sap, strain, tax, weaken, prostrate, debilitate, disable, Colloq frazzle: Working sixty hours a week would exhaust anyone. 3) empty, drain, evacuate, void, clean or clear out: The pump is used to exhaust the chamber of air. 4) overdo, overwork, treat thoroughly, deplete, drain, empty: I think we've exhausted that topic. 5) empty (out) , drain (off or out) , vent, issue, escape, discharge, run out: The fumes exhaust through this tube. --n. 6) emanation, effluent, emission, fumes, gas: Car exhausts are polluting the atmosphere.