Answer: tireout

AnswerCrossword Clue
TIREOUT

Wear down

TIREOUT

Lose energy

TIREOUT

Make fatigued

TIREOUT
Exhaust
TIREOUT
Lose vim and vigor
TIREOUTFatigue
TIREOUTDrain
TIREOUTFatigue utterly.
TIREOUTExhaust.
TIREOUTGet pooped