1(reading: ぶれい) Rudeness; impoliteness; discourteousness; lack of respect, especially toward a superior or someone entitled to courtesy. Used as a noun or na-adjective; common in formal settings, business, and period dramas.
お客様に対してあんな無礼な口の利き方をしてはいけない。
You must not speak so rudely to a customer.
先日は大変な無礼を働き、誠に申し訳ございませんでした。
I am truly sorry for the great discourtesy I committed the other day.
今夜は無礼講だから、上司も部下も気にせず飲もう。
Tonight's party is no-holds-barred, so let's drink freely regardless of rank.
初対面の相手に名前も聞かずに話し始めるのは無礼だ。
It's rude to start a conversation with someone you just met without even asking their name.
無礼者！殿の前でそのような口を利くとは何事だ。
Insolent wretch! How dare you speak like that in front of the lord?