Synonyms of defunct in English:

defunct


See US English definition of defunct

See UK English definition of defunct

See Spanish definition of caduco

adjective

1‘the now defunct local paper mill’

SYNONYMS
disused, no longer in use, unused, inoperative, non-functioning, unusable, obsolete
no longer in existence, discontinued
extinct, fossilized
ANTONYMS

working, extant

2‘his defunct parents’

SYNONYMS
dead, deceased, expired, departed, gone
late
rare demised
ANTONYMS

alive, living