adjective, rud·er, rud·est.
Origin of rude
Examples from the Web for rudeness
I knew the rudeness I was committing, but still I rose and left the church.Read ‘The King in Yellow,’ the ‘True Detective’ Reference That’s the Key to the Show|Robert W. Chambers|February 20, 2014|DAILY BEAST
To Andrew, it would appear, rudeness is a way of life — whether you are high-born or from below stairs.The Daily Mail Catalogues The Many Failings of "Spoilt Oaf" Prince Andrew|Tom Sykes|September 10, 2013|DAILY BEAST
And "just to walk a few blocks requires barging your way through a melee of noise and rudeness and madness."
Moreover, not all of the identified "rudeness" is actually rude; it's just different customs.
The Daily Pic: The great Bruce Nauman doubles-down on rudeness, and defeats it.
And it was because of this and because of my last promise to him that your offer shocked me; I ask your pardon for my rudeness.Melomaniacs|James Huneker
But the real cause was his sensitiveness to rudeness, his own temper being singularly sweet.Autobiography, Letters and Literary Remains of Mrs. Piozzi (Thrale) (2nd ed.) (2 vols.)|Mrs. Hester Lynch Piozzi
The rudeness of the general, however, proved not so very great a disaster to Catherine.
The cottages in this part of Cumberland partake of the rudeness which characterises those of Scotland.Guy Mannering, or The Astrologer, Complete, Illustrated|Sir Walter Scott
The places which have intricate spy systems to watch their employees are the ones where there is most rudeness and trickery.The Book of Business Etiquette|Nella Henney
British Dictionary definitions for rudeness
Word Origin for rude
Word Origin and History for rudeness
late 13c., "coarse, rough" (of surfaces), from Old French ruide (13c.) or directly from Latin rudis "rough, crude, unlearned," perhaps related to rudus "rubble." Sense of "ill-mannered, uncultured; uneducated, uncultured" is from mid-14c. Rude boy (also rudie, for short) in Jamaican slang is attested from 1967. Figurative phrase rude awakening is attested from 1895.