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English to English noun
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audacious (even arrogant) behavior that you have no right to |  | Example: he despised them for their presumptuousness
source: wordnet30
| 2 |
Impudence or boldness in confronting or in transgressing the bounds of duty or decorum; insulting presumptuousness; shameless boldness; barefaced assurance. | | source: webster1913
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