Coarse definition

(1) 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"

(2) 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"

(3) Of textures that are rough to the touch or substances consisting of relatively large particles

"Coarse meal"

"Coarse sand"

"A coarse weave"

(4) Of low or inferior quality or value

"Of what coarse metal ye are molded"- Shakespeare

"Produced...the common cloths used by the poorer population"