Uncompromising; uncompromisable.
Undeveloped, unskilled, inelegant.
Violent; abrupt; turbulent.
Somewhat obscene, pornographic, offensive.
Lacking in refinement or civility; bad-mannered; discourteous.
Hearty, vigorous; found particularly in the phrase rude health.
Crudely made; primitive.
Lacking refinement or skill; untaught; ignorant; raw.