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

  • adj. Impeccably clean; spotless. See Synonyms at clean.
  • adj. Free from stain or blemish; pure.
  • adj. Free from fault or error: an immaculate record.
  • adj. Having no markings.

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from the GNU version of the Collaborative International Dictionary of English

  • adj. Without stain or blemish; spotless; undefiled; clear; pure.

from The Century Dictionary and Cyclopedia

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

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


Middle English immaculat, from Latin immaculātus : in-, not; see in-1 + maculātus, past participle of maculāre, to blemish (from macula, spot).
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin immaculātus; prefix im- ("not") + maculātus, perfect passive participle of maculō ("spot, stain"), from macula ("spot"). Middle English immaculat. See mail armor. (Wiktionary)


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