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[im-pos-cher] /ɪmˈpɒs tʃər/
the action or practice of imposing fraudulently upon others.
deception using an assumed character, identity, or name, as by an impostor.
an instance or piece of fraudulent imposition.
Origin of imposture
1530-40; < Late Latin impostūra, equivalent to Latin impost(us) past participle of impōnere (see impostor, impone) + -ūra -ure
Related forms
[im-pos-truh s] /ɪmˈpɒs trəs/ (Show IPA),
imposturous, adjective
3. fraud, hoax, swindle, deception, humbug, cheat. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for imposture
Contemporary Examples
Historical Examples
  • If the world chose to esteem him, he did not buy its opinion by imposture.

    Night and Morning, Complete Edward Bulwer-Lytton
  • Satisfied, now, that there was imposture, he resolved to ferret it out.

  • I need only say that the secret of my imposture defied detection.

    The Prisoner of Zenda Anthony Hope
  • Where he was now he seemed to be not so much a fallen tyrant as a silly sham and an imposture.

    The Scapegoat Hall Caine
  • It—it—seems, monsieur, that—ah—that I have been the victim of some imposture.

    St. Martin's Summer Rafael Sabatini
  • Would not men have discovered the imposture in all this lapse of time?

    The Memorabilia Xenophon
  • If every imposture be his work, why should he not act through those who have contrived it?

    Gerald Fitzgerald Charles James Lever
  • Trust her to carry out this imposture which now seems so wild.

    The Lure of the Mask Harold MacGrath
  • M. Reinack denies the suave suggestion that he was at the bottom of this imposture.

    The Clyde Mystery Andrew Lang
British Dictionary definitions for imposture


the act or an instance of deceiving others, esp by assuming a false identity
Derived Forms
impostrous (ɪmˈpɒstrəs), impostorous (ɪmˈpɒstərəs), imposturous, adjective
Word Origin
C16: from French, from Late Latin impostūra, from Latin impōnere; see impose
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for imposture

"act of willfully deceiving others," 1530s, from Middle French imposture, from Late Latin impostura, from impostus (see impost).

Online Etymology Dictionary, © 2010 Douglas Harper
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