to drain of strength or energy, wear out, or fatigue greatly, as a person

I have exhausted myself working.

to use up or consume completely; expend the whole of

He exhausted a fortune in stock-market speculation.

to draw out all that is essential in (a subject, topic, etc.); treat or study thoroughly.

to empty by drawing out the contents

to exhaust a tank of fuel oil.

to create a vacuum in.

to draw out or drain off completely.

to deprive wholly of useful or essential properties, possessions, resources, etc.

Chemistry, Pharmacology . to deprive of ingredients by the use of solvents, as a drug.

to destroy the fertility of (soil), as by intensive cultivation.

to pass out or escape, as spent steam from the cylinder of an engine.

the escape of steam or gases from the cylinder of an engine.

the steam or gases ejected.

Also called exhaust system. the parts of an engine through which the exhaust is ejected.

verb

animate , invigorate , refresh , replenish

verb

bankrupt , burn out * , conk out * , cripple , debilitate , disable , do in * , drain , draw , enervate , enfeeble , fag , fatigue , frazzle , impoverish , overdo , overexert , overextend , overfatigue , overtire , overwork , peter out * , poop , poop out * , prostrate , run ragged , sap * , suck dry , tucker * , use up , weaken , wear down , weary , bleed dry , deplete , devour , dispel , disperse , dissipate , dry , eat , eat up * , empty , expend , finish , run out , run through , spend , squander , strain , take last of , void , wash up , waste , tire out , wear out , sap , consume , draw down , eat up , play out , depauperate , discharge , evacuate , fumes , gases , pauperize , tire , tucker , wear