adj. 1 a rough or loose in texture or grain; made of large particles. b (of a person's features) rough or large. 2 lacking refinement or delicacy; crude, obscene (coarse humour). 3 rude, uncivil. 4 inferior, common. coarse fish Brit. any freshwater fish other than salmon and trout. coarsely adv. coarseness n. coarsish adj.
[ ME: orig. unkn. ]