discourtesy

[ dis-kur-tuh-see ]

/ dɪsˈkɜr tə si /

lack or breach of courtesy; incivility; rudeness.

a discourteous or impolite act.

Origin of discourtesy

First recorded in 1545–55; dis-¹ + courtesy

I didn't mean to convey any discourtesy and I apologise if I did.

Ryanair Boss Apologises For Queen Sex Joke |Tom Sykes |April 1, 2014 |DAILY BEAST
Disrespect, dis-re-spekt′, n. want of respect: discourtesy: incivility.

Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) |Various
He had his hand on the knob, when he felt how brutal was his discourtesy.

The Walking Delegate |Leroy Scott
Just criticism for incompetence was local, and for discourtesy and dishonesty was individual.

Chit-Chat; Nirvana; The Searchlight |Mathew Joseph Holt

He is one that lies kindly to you, and for good fashion's sake, and tis discourtesy in you to believe him.

Microcosmography |John Earle
This incident is mentioned because it was the sole occasion when any discourtesy happened to me during this tour.

A Thousand Miles in the Rob Roy Canoe on Rivers and Lakes of Europe |John Macgregor

discourtesy

/ (dɪsˈkɜːtɪsɪ) /

bad manners; rudeness

a rude remark or act