effrontery
audacious (even arrogant) behavior that you have no right to - he despised them for their presumptuousness • Syn: presumption, presumptuousness, assumption • Derivationally related forms: presumptuous (for: presumptuousness), presumptuous (for: presumption), presume (for: presumption) • Hypernyms: audacity, audaciousness • Hyponyms: uppityness, uppishness
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