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rudeness; impoliteness; discourtesy; insolence
彼の目上の人への無礼な態度には本当に腹が立った。
I was angered by his rude attitude.
無礼を承知の上で率直に意見を申し上げさせていただきます。
With all due respect, I must have my say.
先日の無礼をお詫び申し上げます。
I apologize for my rudeness the other day.