effrontery

\Ef*front"er*y\, n.; pl. Effronteries. [F. effronterie, fr. effront['e] 
shameless, fr. L. effrons, -ontis, putting forth the forehead, i. e., 
barefaced, shameless; ex + frons the forehead. See Front.] Impudence or 
boldness in confronting or in transgressing the bounds of duty or decorum; 
insulting presumptuousness; shameless boldness; barefaced assurance.

 
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