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Definition of "illusion" []

  • An erroneous perception of reality. (noun)
  • An erroneous concept or belief. (noun)
  • The condition of being deceived by a false perception or belief. (noun)
  • Something, such as a fantastic plan or desire, that causes an erroneous belief or perception. (noun)
  • Illusionism in art. (noun)

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 "illusion" in a sentence
  • "Of course the symptoms are occurring: the term illusion refers to our interpretation of the meaning of the physical symptoms, not the existence of physical symptoms per se."
  • "It is not, however, clear that the term illusion is justified; for this supposes a distinction between truth and error-a distinction which has no meaning for the genuine pantheist; all our judgments being the utterance of the One that thinks in us, it is impossible to discriminate the true from the false."
  • "Murray, like nearly everyone else, could not solve the riddle posed by Nadal's blend of power, hustle and desire: a crucial word that he translates directly from the Spanish when he speaks English, using the term "illusion.""