The Collaborative International Dictionary of English v.0.48:

Temporary \Tem"po*ra*ry\, a. [L. temporarius, fr. tempus,
   temporis, time: cf. F. temporaire.]
   Lasting for a time only; existing or continuing for a limited
   time; not permanent; as, the patient has obtained temporary
   relief.
   [1913 Webster]

         Temporary government of the city.        --Motley.
   [1913 Webster]

   Temporary star. (Astron.) See under Star.
      [1913 Webster]

WordNet (r) 3.0 (2006):

temporary
    adj 1: not permanent; not lasting; "politics is an impermanent
           factor of life"- James Thurber; "impermanent palm
           cottages"; "a temperary arrangement"; "temporary housing"
           [syn: impermanent, temporary] [ant: lasting,
           permanent]
    2: lacking continuity or regularity; "an irregular worker";
       "employed on a temporary basis" [syn: irregular,
       temporary]
    n 1: a worker (especially in an office) hired on a temporary
         basis [syn: temp, temporary, temporary worker]

Moby Thesaurus II by Grady Ward, 1.0:

142 Moby Thesaurus words for "temporary":
   acting, ad hoc, ad interim, alternate, alternative, backup,
   band-aid, blue-collar worker, breadwinner, brittle, capricious,
   casual, casual laborer, changeable, common laborer, corruptible,
   counterfeit, dangerous, day laborer, deciduous, desultory, dummy,
   dying, employee, ephemeral, equivalent, ersatz, evanescent,
   factory worker, fading, fake, fickle, fleeting, flitting, flunky,
   fly-by-night, flying, fragile, frail, free lance, free-lancer,
   fugacious, fugitive, full-time worker, hand, hazardous, imitation,
   impermanent, impetuous, improvisational, improvised, impulsive,
   inconstant, industrial worker, infirm, insecure, insubstantial,
   interim, jackleg, jobber, jobholder, jury-rigged, laborer,
   laboring man, make-do, makeshift, makeshifty, menial, migrant,
   mock, moiler, momentary, mortal, mutable, navvy, nondurable,
   nonpermanent, office temporary, passing, perilous, perishable,
   phony, pinch, precarious, pro tem, pro tempore, proletarian,
   provisional, provisory, proxy, reserve, risky, roustabout,
   salaried worker, secondary, self-employed person, servant, shaky,
   shifting, shifty, short-lived, slippery, spare, stiff, stopgap,
   substitute, supply, temporal, tentative, ticklish, toiler, token,
   transient, transitive, transitory, treacherous, undependable,
   undurable, unenduring, unfaithworthy, unreliable, unsolid, unsound,
   unstable, unsteadfast, unsteady, unsubstantial, unsure,
   untrustworthy, utility, vicarious, volatile, wage earner,
   wage slave, wageworker, worker, workgirl, workhand, working girl,
   workingman, workingwoman, workman



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

TEMPORARY. That which is to last for a limited time; as, a temporary
statute, or one which is limited in its operation for a particular period of
time after its enactment the opposite of perpetual.