/ig zaws"cheuhn/ , n.
1. the act or process of exhausting.
2. the state of being exhausted.
3. extreme weakness or fatigue.
4. the total consumption of something: the exhaustion of your vacation benefits for the year.
[ 1640-50; exhaustion- (s. of exhaustio ). See EXHAUST, -ION ]
Syn. 3. weariness, lassitude.