• WordNet 3.6
    • n effrontery audacious (even arrogant) behavior that you have no right to "he despised them for their presumptuousness"
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Webster's Revised Unabridged Dictionary
    • n Effrontery Impudence or boldness in confronting or in transgressing the bounds of duty or decorum; insulting presumptuousness; shameless boldness; barefaced assurance. "Corruption lost nothing of its effrontery ."
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Century Dictionary and Cyclopedia
    • n effrontery Assurance; shamelessness; sauciness; impudence or boldness in transgressing the bounds of modesty, propreity, duty, etc.: as, the effrontery of vice; their corrupt practices were pursued with bold effrontery.
    • n effrontery Synonyms Impertinence, etc. (see impudence); hardihood, audacity. See list under impertinence.
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Chambers's Twentieth Century Dictionary
    • n Effrontery ef-frunt′ėr-i shamelessness: impudence: insolence.
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  • Samuel Johnson
    “The advice that is wanted is commonly not welcome and that which is not wanted, evidently an effrontery.”


Webster's Revised Unabridged Dictionary
F. effronterie, fr. effronté, shameless, fr. L. effrons, -ontis, putting forth the forehead, i. e., barefaced, shameless; ex, + frons, the forehead. See Front
Chambers's Twentieth Century Dictionary
O. Fr.,—L. effrons, effrontisex, out, frons, frontis, the forehead.


In literature:

Now, he might have the effrontery to deny what I had seen with my own eyes, and could swear to.
"Blackwood's Edinburgh Magazine - Volume 55, No. 343, May 1844" by Various
The theatres in particular pirate from us with unexampled effrontery.
"Harper's New Monthly Magazine, Vol. 3, July, 1851" by Various
And these wonder-mongers have the incredible effrontery to babble of "logic"!
"The Shadow On The Dial, and Other Essays" by Ambrose Bierce
Each attempt to describe becomes near effrontery and demands its own separate apology.
"The Escape of a Princess Pat" by George Pearson
How long would Murphy stand such gross effrontery?
"'Murphy'" by Major Gambier-Parry
Many of the officers were assaulted and robbed with the greatest effrontery.
"Celebrated Travels and Travellers" by Jules Verne
The charge was maintained with the most unblushing effrontery.
"Washington and the American Republic, Vol. 3." by Benson J. Lossing
There was Dan O'Falley, but his was such fulsome effrontery.
"Eve to the Rescue" by Ethel Hueston
Really the effrontery of Cobweb Corner was astounding!
"Fifty-Two Stories For Girls" by Various
She had the effrontery to hold the baby up, with his little naked legs kicking in Tanqueray's face.
"The Creators" by May Sinclair

In news:

There's a breezy effrontery in the ploy.
Comic effrontery is the Bic that lights the bong in the Harold & Kumar movies, but willfully strained outrageousness can turn sour like that.