Lacking refinement or skill; untaught; ignorant; raw.
Violent; abrupt; turbulent.
Somewhat obscene, pornographic, offensive.
Lacking in refinement or civility; bad-mannered; discourteous.
Undeveloped, unskilled, inelegant.
Hearty, vigorous; found particularly in the phrase rude health.
Crudely made; primitive.
unvoiced; voiceless
Involving surds, or irrational numbers; not capable of being expressed in rational numbers.
An irrational number, especially one expressed using the √ symbol.
A voiceless consonant.