defunct

As verbs the difference between defunct and retires

is that defunct is to make defunct while retires is .

As an adjective defunct

is deceased, dead.

As a noun defunct

is the dead person (referred to).

As adjectives the difference between extinct and defunct

is that extinct is extinguished, no longer alight (of fire, candles etc. while defunct is deceased, dead.

As a verb defunct is

to make defunct.

As a noun defunct is

the dead person (referred to).