Completely exhausted; utterly worn out. Often used as 疲れ果てる (to be exhausted).
引越し作業で疲れ果てて、その日は早く寝た。
I was exhausted from moving work and went to bed early that day.
試験勉強で彼は精神的にも肉体的にも疲れ果てていた。
He was mentally and physically exhausted from studying for exams.
子供たちは公園で遊び回って、夕方には疲れ果てていた。
The children ran around the park and were exhausted by evening.