Defunct
- (now rare) Deceased, dead.
- No longer in use or active, nor expected to be again.
- (computing) Specifically, of a process: having terminated but not having been reaped (by its parent or an inheritor), and thus still occupying a process slot. See also zombie, zombie process.
- (linguistics) (of a language) No longer spoken.
Synonyms
- (no longer in use): antiquated, disused, outdated; obsolete