- 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"

- 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"

- of texture

- large-grained or rough to the touch
"coarse meal"
"coarse sand"
"a coarse weave"

- of low or inferior quality or value
"of what coarse metal ye are molded"- Shakespeare
"produced...the common cloths used by the poorer population"

1. 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.

2. Not refined; rough; rude; unpolished; gross; indelicate; as, coarse manners; coarse language.

"I feel Of what coarse metal ye are molded. Shak." --

"To copy, in my coarse English, his beautiful expressions. Dryden." --

Syn. -- Large; thick; rough; gross; blunt; uncouth; unpolished; inelegant; indelicate; vulgar.