Coarse — Defs

01 a. Large in bulk, or composed of large parts or particles; of inferior quality or appearance; not fine in material or close in texture; gross;…

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.