形容詞 inoperative:

1. not operating

1. In a remote communication system, the action taken by a control station whereby messages addressed to an inoperative station are accepted and stored at the control station until they can be sent to the destination station. The control station may be a computer in a message switching system.
   在遠(yuǎn)程通信系統(tǒng)中，當(dāng)報(bào)文發(fā)往的工作站處于不工作狀態(tài)時(shí)控制站所采取的行動(dòng)，即接收并存儲(chǔ)該報(bào)文直到該工作站恢復(fù)工作時(shí)，再由控制站將報(bào)文送給它。在報(bào)文交換系統(tǒng)中，控制站可以是一臺(tái)計(jì)算機(jī)。

in.op.er.a.tive

adj.（形容詞）
Not working or functioning.
無(wú)效的，無(wú)用的：不能工作的或起作用的
No longer in force, countermanded:
不再生效的，取消的：
例句：
declared the previous instructions inoperative.
宣布以前的指示不再生效

【引伸】
inop.erativeness
n.（名詞）