Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun exhaustion

3 senses of exhaustion

Sense 1
exhaustion -- (extreme fatigue)
       => fatigue, weariness, tiredness -- (temporary loss of strength and energy resulting from hard physical or mental work; "he was hospitalized for extreme fatigue"; "growing fatigue was apparent from the decline in the execution of their athletic skills"; "weariness overcame her after twelve hours and she fell asleep")

Sense 2
debilitation, enervation, enfeeblement, exhaustion -- (serious weakening and loss of energy)
       => weakening -- (becoming weaker)

Sense 3
exhaustion -- (the act of exhausting something entirely)
       => depletion -- (the act of decreasing something markedly)