adjective
defunct
dih-FUNKT/dɪˈfʌŋkt/
No longer existing or operating.
The defunct gas station has boarded windows and pumps with missing hoses.

Etymology
The pieces express finishing or completely discharging a duty. Latin defunctus meant “dead,” literally “off-duty”; English extends that finality to things that no longer exist, operate, or remain in use.
In context
The studio is now defunct, but the legacy of movies left behind from this label
More examples
- The defunct company’s records went to the archive.
- That rule has been defunct for decades.
- We found an old advertisement for a defunct airline.
Forms
defunct