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exhibitive
exhibitor
exhilarate
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exigency
exigent
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exhaustion

ex·haus·tion [ ig záwsch'n ]


noun 
Definition:
 
1. extremely tired or weak state: a state of extreme physical or mental tiredness or collapse
After five hours' walking in the heat, he was close to exhaustion.

2. act of exhausting something: the process of using up the entire stock or contents of something ( formal )
The aid agency fears the imminent exhaustion of food reserves.

[Early 17th century. < Latin exhaustion-< exhaust- (see exhaust)]
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