ADJECTIVE (2)

1. no longer in force or use; inactive;
- Example: "a defunct law"
- Example: "a defunct organization"

2. having ceased to exist or live;
- Example: "the will of a defunct aunt"
- Example: "a defunct Indian tribe"

The Collaborative International Dictionary of English v.0.48:

Defunct \De*funct"\ (d[-e]*f[u^][ng]kt"). a. [L. defunctus, p.
   p. of defungi to acquit one's self of, to perform, finish,
   depart, die; de + fungi to perform, discharge: cf. F.
   d['e]funt. See Function.]
   1. Having finished the course of life; dead; deceased.
      "Defunct organs." --Shak.
      [1913 Webster]

            The boar, defunct, lay tripped up, near. --Byron.
      [1913 Webster]

   2. No longer in effect or use; no longer operating; as, a
      defunct business; a defunct law.
      [PJC]

The Collaborative International Dictionary of English v.0.48:

Defunct \De*funct"\, n.
   A dead person; one deceased.
   [1913 Webster]

WordNet (r) 3.0 (2006):

defunct
    adj 1: no longer in force or use; inactive; "a defunct law"; "a
           defunct organization"
    2: having ceased to exist or live; "the will of a defunct aunt";
       "a defunct Indian tribe"

Moby Thesaurus II by Grady Ward, 1.0:

118 Moby Thesaurus words for "defunct":
   SOL, ago, all bets off, all gone, all off, all over, all up,
   annihilated, antiquated, antique, asleep, asleep in Jesus,
   at an end, at rest, bereft of life, blown over, breathless, by,
   bygone, bypast, called home, canceled, carrion, cold, complete,
   concluded, croaked, dated, dead, dead and buried, dead and gone,
   death-struck, deceased, decided, deleted, demised, departed,
   departed this life, destitute of life, done, done for, done with,
   down the drain, elapsed, ended, exanimate, expired, expunged,
   extinct, fallen, fini, finished, food for worms, forgotten, gone,
   gone glimmering, gone to glory, gone west, gone-by, had it,
   has-been, inactive, inanimate, inapplicable, inert, inoperative,
   invalid, irrecoverable, kaput, kaputt, lapsed, late, late lamented,
   launched into eternity, lifeless, lost, martyred, no more,
   obsolete, out, outmoded, over, passe, passed, passed away,
   passed on, past, perfected, perished, pushing up daisies, released,
   reposing, resting easy, run out, sainted, set at rest, settled,
   shot, sleeping, smitten with death, still, stillborn, taken away,
   taken off, terminated, through, through with, unusable, unused,
   vanished, washed up, wiped out, with the Lord, with the saints,
   without life, without vital functions, wound up, zapped



Bouvier's Law Dictionary, Revised 6th Ed (1856):

DEFUNCT. A term used for one that is deceased or dead. In some acts of
assembly in Pennsylvania, such deceased person is called a decedent. (q.v.)