noun, noun or participle which takes 'suru', intransitive verb
total exhaustion; complete fatigue
Describes a state of extreme physical or mental exhaustion, often used in formal or written contexts. As a する verb, it means 'to become utterly exhausted'.
長時間の残業で疲労困憊した。
I was completely exhausted from working long overtime hours.
選手たちは試合後に疲労困憊の様子だった。
The players looked totally exhausted after the match.