from
The Collaborative International Dictionary of English v.0.48
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.
[1913 Webster]
Corruption lost nothing of its effrontery. --Bancroft.
Syn: Impudence; sauciness. See {Impudence}.
[1913 Webster]