Definition of inoperative in English:

inoperative

Line breaks: in|op¦era|tive
Pronunciation: /ɪnˈɒp(ə)rətɪv
 
/

adjective

Not working or taking effect: the Act may be rendered inoperative
More example sentences
  • Some later model Russian missiles have been recovered in anti-terrorist raids, and some of these have become inoperative due to age or poor handling.
  • My kids love them, naturally enough, and I can't get away with sitting them on an inoperative machine any more.
  • Combining decaying and inoperative early warning systems with a ‘launch on warning’ posture for thousands of nuclear weapons is a recipe for nuclear disaster.
Synonyms
not working, not in working order, not functioning, broken, broken-down, out of order, out of service, out of commission, acting up, unserviceable, faulty, defective, non-functional, in disrepair;
informal conked out, bust, (gone) kaput, gone phut, on the blink, gone haywire, shot
British informal knackered, jiggered, wonky
North American informal on the fritz, out of whack
British vulgar slang buggered
void, null and void, nullified, ineffective, invalid, cancelled, revoked, rescinded, terminated, discontinued, not binding, not in force, non-viable;

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