inoperable
adjective uk/ɪˈnɒp.ər.ə.bəl/ us/ˌɪnˈɑː.pɚ.ə.bəl/
(DISEASE)
（肿瘤等）不宜动手术的，手术不能治愈的
If a tumour (= a growth) or other medical condition is inoperable, doctors are unable to remove or treat it with an operation.
(NOT WORKING)
（系统、计划、机器等）无法操作的，行不通的，不能实行的
If a system, plan, machine, etc. is inoperable, it cannot be done or made to work.