1.Definition: lacking refinement or cultivation or taste

"He had coarse manners but a first-rate mind"

Related Adjective(s):common, uncouth, vulgar

2.Definition: of low or inferior quality or value

"Of what coarse metal ye are molded"

Related Adjective(s):common

3.Definition: of textures that are rough to the touch or substances consisting of relatively large particles

"Coarse meal", "Coarse sand", "A coarse weave"

Related Adjective(s):harsh