After a week of nonstop overtime, she looked completely washed-out.

washed-out 是由动词 wash（洗）和副词 out（出、尽）组成的复合形容词。字面意思是"被洗褪色的"，引申为"精疲力尽的、憔悴的"，形容人因过度劳累而显得面色苍白、无精打采的样子。