形容词
1. （人）粗野的，粗鄙的，粗鲁的
If you describe a person as uncouth, you mean that their behaviour is rude, noisy, and unpleasant.
1. lacking refinement or cultivation or taste
e.g. he had coarse manners but a first-rate mind
behavior that branded him as common
an untutored and uncouth human being
an uncouth soldier--a real tough guy
appealing to the vulgar taste for violence
the vulgar display of the newly rich