defunct🔊

(now rare) Deceased, dead.

No longer in use or active, nor expected to be again.

(business) No longer in business or service, 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.

To make defunct.

The dead person (referred to).