exhaustion exhaustion /ɪgˈzɔstʃən/

noun

1. () Extreme fatigue  ( exhaustion )
   extreme fatigue
   
2. The act of exhausting something entirely  ( exhaustion )
   the act of exhausting something entirely
   
3. Serious weakening and loss of energy  ( debilitation , enervation , enfeeblement , exhaustion )
   serious weakening and loss of energy