[1] : The Collaborative International Dictionary of English v.0.48

immaculate \immac"ulate\, a. l. immaculatus; pref. im- not +
   maculatus, p. p. of maculare to spot, stane, fr. macula spot.
   see mail armor.
   without stain or blemish; spotless; undefiled; clear; pure.
   1913 webster

         were but my soul as pure
         from other guilt as that, heaven did not hold
         one more immaculate.                     --denham.
   1913 webster

         thou sheer, immaculate and silver fountain. --shak.
   1913 webster

   immaculate conception r. c. ch., the doctrine that the
      virgin mary was conceived without original sin. --
      immac"ulately, adv. -- immac"ulateness, n.
      1913 webster
see also:
mail immaculate conception immac"ulately immac"ulateness 

[2] : WordNet (r) 2.0

immaculate
     adj 1: completely neat and clean; "the apartment was immaculate";
            "in her immaculate white uniform"; "a spick-and-span
            kitchen"; "their spic red-visored caps" syn: speckless,
             spick-and-span, spic-and-span, spic, spick, spotless
     2: free from stain or blemish syn: undefiled
     3: without fault or error; "faultless logic"; "speaks
        impeccable french"; "timing and technique were
        immaculate"; "an immaculate record" syn: faultless, impeccable
see also:
speckless spick-and-span spic-and-span spic spick spotless 
undefiled faultless impeccable 

[3] : Moby Thesaurus II by Grady Ward, 1.0

125 moby thesaurus words for "immaculate":
   christian, absolute, beyond all praise, blameless, bleached,
   blotless, bright, chaste, clean, cleanly, creditable, dainty,
   dapper, decent, defectless, dirt-free, erect, errorless, estimable,
   ethical, exquisite, fair, fastidious, faultless, flawless, fresh,
   full of integrity, good, guiltless, high-minded, high-principled,
   highly respectable, honest, honorable, ideal, impeccable,
   indefectible, indefective, infallible, innocent, inviolate,
   irreproachable, just, just right, kosher, law-abiding, law-loving,
   law-revering, manly, modest, moral, neat, noble, nonpolluted,
   of cleanly habits, peerless, perfect, principled, pristine, pure,
   pure in heart, purehearted, reputable, respectable, right,
   right-minded, righteous, ritually pure, sexually innocent, shiny,
   sinless, smut-free, smutless, snow-white, snowy, spick and span,
   spotless, spruce, stainless, sterling, sweet, tahar, taintless,
   tidy, true-dealing, true-devoted, true-disposing, true-souled,
   true-spirited, truehearted, tubbed, unadulterated, unbesmirched,
   unblemished, unblotted, uncontaminated, uncorrupt, uncorrupted,
   undefiled, unfaultable, unimpeachable, unmixed, unmuddied,
   unpolluted, unsmirched, unsmudged, unsoiled, unspoiled, unspotted,
   unstained, unsullied, untainted, untarnished, upright, uprighteous,
   upstanding, vestal, virginal, virtuous, well-scrubbed, well-washed,
   white, whitened, worthy, yeomanly

Immaculate >> I Words
Immaculate, definition of term: Immaculate
immaculate_pag1.html

Immaculate Conc >> I Words
Immaculate Conc, definition of term: Immaculate Conc
immaculate+conc_pag1.html