from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Impeccably clean; spotless.
  • adjective Free from sin.
  • adjective Free from fault or error.
  • adjective Biology Having no spots or marks.

from The Century Dictionary.

  • Unspotted; spotless; stainless; pure; undefiled; without blemish or impurity: as, an immaculate reputation; immaculate thoughts; an immaculate edition.
  • In zoology and botany, without spots or colored marks; unicolored.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Without stain or blemish; spotless; undefiled; clear; pure.
  • adjective (R. C. Ch.) the doctrine that the Virgin Mary was conceived without original sin.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Having no stain or blemish; spotless, undefiled, clear, pure.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective free from stain or blemish
  • adjective without fault or error
  • adjective completely neat and clean


from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English immaculat, from Latin immaculātus : in-, not; see in– + maculātus, past participle of maculāre, to blemish (from macula, spot).]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin immaculātus; prefix im- ("not") + maculātus, perfect passive participle of maculō ("spot, stain"), from macula ("spot"). Middle English immaculat. See mail armor.


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