defunct
dih-FUNKTadjMeaning no longer existing, working or in use
Memory hook DE-FUNCT: no longer FUNCTIONS. The old robot in the alley no longer functions: no lights, no beeps, just a puff of dust. It is defunct.
The defunct factory has been turned into apartments and a bakery.
In context Weeds grew between the rails of the defunct railway line; no train had run there in thirty years, and the station clock had stopped at a quarter past four.
Similar extinct, dead, disused, inoperative
Opposite working, active, operating
From Latin defunctus, “finished, dead,” from defungi, “to finish one’s work”: de (off) + fungi (to perform).