1 defunct, dead, died out, gone, departed, vanished:
These are the bones of an extinct species of flying mammal.
2 dated, outmoded, old-fashioned, antiquated, obsolete, archaic, out of date, antediluvian, ancient, old hat, passé, démodé:
High-button shoes and bustles have been extinct for almost a century.
3 out, extinguished, quenched, burnt- or put or snuffed out; inactive, dormant:
The lake is in the caldera of an extinct volcano.
be | become, go | presume sth, think sth
The species was presumed extinct.
completely, totally | all but, almost, nearly, practically, virtually
The numbers of these animals have been falling steadily and they are now almost extinct.
Random quote: I allow my intuition to lead my path.: Manuel PuigLatest queries: extra, easter, agent, nonentity, environmental, approaching, component, gobo, hypocrisy, effect, wizard, cluster, driven, expenditures, conduit, sketch, rake, airmail, appearance, extinct,