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Definition of "opaque" []

  • Impenetrable by light; neither transparent nor translucent. (adjective)
  • Not reflecting light; having no luster: an opaque finish. (adjective)
  • Impenetrable by a form of radiant energy other than visible light: a chemical solution opaque to x-rays. (adjective)
  • So obscure as to be unintelligible: "opaque, elusive, minimal meanings” ( John Simon). (adjective)
  • Obtuse of mind; dense. See Synonyms at dark. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "opaque" in a sentence
  • "And now my chains are to be broken; I shall mount above these clouds and opaque airs in which I live, —opaque, though they seem transparent, —and from the heaven of truth I shall see and comprehend my relations."
  • "That was the agreed signal, a word opaque enough to confuse anyone trying to listen in."
  • "Pensions & Investment Research Consultants Ltd., or Pirc, recommends voting against the remuneration report, because of what it calls "opaque" disclosure and "overly complex" structure of executives' packages."