impudence
Concise Oxford English Dictionary © 2008 Oxford University Press:
impudent /ˈɪmpjʊd(ə)nt/
▶adjective not showing due respect for another person; impertinent.
– derivatives
impudence noun,
impudently adverb.
impudence noun,
impudently adverb.
– origin ME (in the sense ‘immodest, indelicate’): from L. impudent-, from in- ‘not’ + pudent- ‘ashamed, modest’.
'impudence' also found in these Oxford entries:

