- [usually before noun]
that has been used, so that it cannot be used again 用过已废的；失效的 spent matches 用过的火柴
- (formal)
very tired 筋疲力尽的
Idioms
a spent force
a person or group that no longer has any power or influence 威势不再的人（或集团）；不再有影响力的人（或集团） The opposition party is now a spent political force. 反对党现在是一支枯竭的政治力量。