effrontery Meaning, Definition & Usage

  1. noun audacious (even arrogant) behavior that you have no right to
    presumption; assumption; presumptuousness.
    • he despised them for their presumptuousness

WordNet

Ef*front"er*y noun
Etymology
F. effronterie, fr. effronté shameless, fr. L. effrons, -ontis, putting forth the forehead, i. e., barefaced, shameless; ex + frons the forehead. See Front.
Wordforms
plural Effronteries
Definitions
  1. 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. Bancroft.
    Syn. -- Impudence; sauciness. See Impudence.

Webster 1913