Adjective

(er)

bad-mannered

The girl was so rude to her boyfriend by screaming at him for no reason.

Somewhat obscene, pornographic, offensive.

tough, robust.

undeveloped, unskilled, basic.

* 2 Corinthians 11:6 (KVJ)

But though I be rude in speech, yet not in knowledge

* (rfdate), Rudyard Kipling, The Conundrum of the Workshops

When the flush of a new-born sun fell first on Eden's green and gold,

Our father Adam sat under the Tree and scratched with a stick in the mould;

And the first rude sketch that the world had seen was joy to his mighty heart,

Till the Devil whispered behind the leaves, "It's pretty, but is it Art?"

* 1767 , Adam Ferguson, An Essay on the History of Civil Society

It might be apprehended, that among rude nations, where the means of subsistence are procured with so much difficulty, the mind could never raise itself above the consideration of this subject

hearty, vigorous; (found particularly in the phrase rude health).

Adjective

(en adjective)

(chiefly, horses) of inferior breeding

* {{quote-book, 1902, title=Cross country with horse and hound, author=Frank Sherman Peer

, passage=I prefer both sire and dam to be well-bred, but a well-bred mare and an underbred horse will produce a faster animal than a thoroughbred horse and an underbred mare.}}

lacking in manners or finesse

* {{quote-book, 1923, title=

, passage=Himself, he felt the most underbred of all; he was afraid of these Utopians: snobbish and abject before them, he was like a mannerless earthy lout in a drawing-room, and he was bitterly ashamed of his own abjection.}}