Synonyms of extinct in English:

extinct


See definition of extinct

adjective

1‘an extinct species’

SYNONYMS

vanished, lost, died out, dead, defunct, no longer existing, no longer extant, wiped out, destroyed, exterminated, gone

ANTONYMS

extant, living

2‘an extinct volcano’

SYNONYMS

inactive, old, former, no longer active

ANTONYMS

active, dormant