impudent
https://gyazo.com/2e7bbce1336a14f7d98bba32fc01c054
adjective
not showing due respect for another person; impertinent:
【(目上の)人に対して】厚かましい, ずうずうしい, 生意気な «to»
e.g. he could have strangled this impudent upstart.
DERIVATIVES
impudently |ˈimpyəd(ə)ntlē| adverb
ORIGIN
late Middle English (in the sense ‘immodest, indelicate’): from Latin impudent-, from in- ‘not’ + pudent- ‘ashamed, modest’ (from pudere ‘be ashamed’).