inoperativein·op·e·ra·tive /ɪnˈɒpərətɪvɪnˈɑː-/ adjectiveadj formal1MANUFACTURINGa machine or piece of equipment that is inoperative is not working or is not in a good enough condition to workA power cut rendered 1000 ATMs inoperative.
2LAWif a law, rule etc is inoperative, it is no longer used, or it is not used in a situation when normally it would be usedIf the amount concerned is $50 or less, this clause will be inoperative.