effrontery

1 ENTRIES FOUND:
effrontery /ɪˈfrʌntəri/ noun
effrontery
/ɪˈfrʌntəri/
noun
Britannica Dictionary definition of EFFRONTERY
[noncount] formal
: a very confident attitude or way of behaving that is shocking or rude : nerve
◊ Effrontery describes the attitude of a person who does something very boldly and without shame even though it is wrong or offensive in some way.