The Collaborative International Dictionary of English v.0.48:

Finish \Fin"ish\, v. t. [imp. & p. p. Finished; p. pr. & vb.
   n. Finishing.] [F. finir (with a stem finiss- in several
   forms, whence E. -ish: see -ish.),fr. L. finire to limit,
   finish, end, fr. finis boundary, limit, end; perh. for
   fidnis, and akin findere to cleave, E. fissure.]
   1. To arrive at the end of; to bring to an end; to put an end
      to; to make an end of; to terminate.
      [1913 Webster]

            And heroically hath finished
            A life heroic.                        --Milton.
      [1913 Webster]

   2. To bestow the last required labor upon; to complete; to
      bestow the utmost possible labor upon; to perfect; to
      accomplish; to polish.

   Syn: To end; terminate; close; conclude; complete;
        accomplish; perfect.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Finished \Fin"ished\, a.
   Polished to the highest degree of excellence; complete;
   perfect; as, a finished poem; a finished education.
   [1913 Webster]

   Finished work (Mach.), work that is made smooth or
      polished, though not necessarily completed.
      [1913 Webster]

WordNet (r) 3.0 (2006):

finished
    adj 1: (of materials or goods) brought to the desired final
           state; "a finished product" [ant: unfinished]
    2: ended or brought to an end; "are you finished?"; "gave me the
       finished manuscript" [ant: unfinished]
    3: (of skills or the products of skills) brought to or having
       the greatest excellence; perfected; "a dazzling and finished
       piece of writing"; "a finished violinist"
    4: having a surface coating or finish applied; "the finished
       bookcase costs much more than the unfinished ones"
    5: brought to ruin; "after the revolution the aristocracy was
       finished"; "the unsuccessful run for office left him ruined
       politically and economically" [syn: finished, ruined]

Moby Thesaurus II by Grady Ward, 1.0:

243 Moby Thesaurus words for "finished":
   Attic, Ciceronian, SOL, ablated, accomplished, ago, all bets off,
   all off, all over, all up, antiquated, antique, archetypical,
   asleep, asleep in Jesus, at an end, at concert pitch, at rest,
   ausgespielt, balanced, bankrupt, bereft of life, blasted, blighted,
   blown over, breathless, broken, buffed, burnished, burnt up, by,
   bygone, bypast, called home, canceled, career, carrion, chaste,
   classic, cleaned up, clear, coached, coequal, complete, completed,
   concluded, consumed, consummate, conversant, coordinate, croaked,
   cultivated, cultured, dated, dead, dead and buried, dead and gone,
   death-struck, deceased, decided, defunct, deleted, demised,
   departed, departed this life, depleted, desolated,
   destitute of life, destroyed, devastated, developed, direct,
   dissipated, done, done for, done in, done with, down, down-and-out,
   drained, easy, eaten up, effete, elapsed, elegant, ended, equal,
   equilateral, eroded, eurythmic, even, exanimate, exemplary,
   exhausted, expert, expired, expunged, extinct, fallen, fini,
   finished up, food for worms, forgotten, fully developed, furbished,
   glace, glassy, glazed, gleaming, glossy, gone, gone glimmering,
   gone to glory, gone to pot, gone west, gone-by, graceful, gracile,
   harmonious, has-been, impoverished, in ruins, inanimate, initiate,
   initiated, irrecoverable, irremediable, kaput, lacquered, lapsed,
   late, late lamented, launched into eternity, lifeless, limpid,
   lucid, martyred, masterful, masterly, mature, matured, model,
   natural, neat, no more, obsolete, over, overthrown, passe, passed,
   passed away, passed on, past, pellucid, perfected, perfective,
   perspicuous, plain, polished, practiced, prepared, primed,
   professional, proficient, proportioned, pure, pushing up daisies,
   quintessential, ravaged, refined, regular, released, reposing,
   resting easy, restrained, ripe, ripened, round, rubbed, ruined,
   ruinous, run out, sainted, satiny, set at rest, settled,
   shellacked, shiny, shot, silken, silky, simple, skilled, sleek,
   sleeping, slick, smitten with death, smooth, spent, spoiled, still,
   stillborn, straightforward, suave, symmetric, taken away,
   taken off, tasteful, technical, terminated, terse, through,
   through with, trained, trim, unaffected, undone, uniform,
   unlabored, urbane, used up, vanished, varnished, velvety,
   versatile, virtuosic, washed up, washed-up, wasted, well-balanced,
   well-set, well-set-up, wiped out, with the Lord, with the saints,
   without life, without vital functions, worn away, worn-out,
   wound up, wrapped up, wrecked, zapped