Similar word to in-operative:
barren, bygone, defunct, departed, exhausted, extinct, gone, inactive, inoperable, inoperative, lost, obsolete, spent, stagnant, sterile, still, tired, unemployed, unprofitable, useless, vanished, wearied, worn, worn out
barren, bygone, defunct, departed, exhausted, extinct, gone, inactive, inoperable, inoperative, lost, obsolete, spent, stagnant, sterile, still, tired, unemployed, unprofitable, useless, vanished, wearied, worn, worn out