0 behaviour or an act that is not polite and does not consider other people's feelings: --
Being late is a discourtesy to your colleagues.
People gabbling loudly on their phones is one of the more common discourtesies of modern life.
Insults, demeaning comments and other discourtesies apparently are a normal feature of the workplace, according to a new study.
Lady Sarah was offended by the "discourtesy" of her husband moving in with his girlfriend before their divorce was finalised.
A complaint of discourtesy was lodged against the officer by a member of the public.
I don't mind people speaking frankly, but I will not accept discourtesy.