insolente
/insoˈlente/ · B2 · adj
insolent, impudent, impertinent
😤 insolente = in- (not) + solens (accustomed): acts outside accepted norms
From Latin insolens, 'unusual, unaccustomed, arrogant'. In- means not, solere means to be accustomed. Someone who ignores the customary respect owed to others comes across as insolent.