defunctive
/ˌdɛfˈfʌktɪv/; /ˌdɛfˈfʌŋktɪv/Definitions
1. adjective
relating to or characterized by the state of being defunct; no longer in use or operation
“The defunctive policy has been replaced with a new one.”
2. noun
a quality or state of being defunct; a condition of no longer being in use or operation
“The defunctive of the old factory has been a topic of discussion for years.”