1. Producing exhaustion
   "an exhausting march";
   - tiring, wearing, wearying
    
2. Having a debilitating effect
   "an exhausting job in the hot sun";
   - draining

1. Use up the whole supply of
   "We have exhausted the food supplies"
    
2. Deplete, exhaust or weaken
   "exhaust one's savings";
   - run down, play out, sap, tire
    
3. Wear out completely
   "This kind of work exhausts me";
   - wash up, beat [informal], tucker [N. Amer, informal], tucker out [N. Amer, informal]
    
4. Utilize or spend available resources or supplies
   "We exhausted our savings";
   - consume, eat up, use up, eat, deplete, run through, wipe out, use, expend
    
5. Eliminate (a substance)
   "combustion products are exhausted in the engine";
   - discharge, expel, eject, release
    
6. Bring out, discuss or develop completely
   "to exhaust a subject"

See also: debilitating, effortful

Type of: drop, eliminate, empty, expend, fag [informal], fag out [Brit, informal], fatigue, jade, knacker [Brit, informal], obviate, outwear, rid of, spend, tire, tire out, wear, wear down, wear out, wear upon, weary

Encyclopedia: Exhausting