Usually refers to texture, and in particular, excessive tannin or oak Also used to describe harsh bubbles in sparkling wines
lacking refinement or cultivation or taste; "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"
conspicuously and tastelessly indecent; "coarse language"; "a crude joke"; "crude behavior"; "an earthy sense of humor"; "a revoltingly gross expletive"; "a vulgar gesture"; "full of language so vulgar it should have been edited"
Large in bulk, or composed of large parts or particles; of inferior quality or appearance; not fine in material or close in texture; gross; thick; rough; opposed to fine; as, coarse sand; coarse thread; coarse cloth; coarse bread
Not refined; rough; rude; unpolished; gross; indelicate; as, coarse manners; coarse language
Coarse things have a rough texture because they consist of thick threads or large pieces. a jacket made of very coarse cloth. a beach of coarse sand. = rough fine + coarsely coarse·ly coarsely ground black pepper
disapproval If you describe someone as coarse, you mean that he or she talks and behaves in a rude and offensive way. The soldiers did not bother to moderate their coarse humour in her presence. = vulgar, crude + coarsely coarse·ly The women laughed coarsely at some vulgar joke
of texture; large-grained or rough to the touch; "coarse meal"; "coarse sand"; "a coarse weave"