coarse

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Of low, common, or inferior quality.
2. adj. Lacking in delicacy or refinement: coarse manners.
3. adj. Vulgar or indecent: coarse language.
4. adj. Consisting of large particles; not fine in texture: coarse sand.
5. adj. Rough, especially to the touch: a coarse tweed.

Century Dictionary and Cyclopedia

1. Of inferior or faulty quality; poor in kind or character; not pure or choice; not soft or dainty; rude; common; base.
2. Wanting in fineness of texture or delicacy of structure, or in elegance of form; composed of large parts or particles; thick and rough in texture: as, coarse thread or yarn; coarse hair; coarse sand; coarse cloth; coarse paper.
3. Exhibiting or characterized by lack of refinement; rude; vulgar; of manners or speech, unpolished, uncivil, or ill-bred: as, a coarse face; coarse manners.
4. Gross; indelicate; offensive: as, coarse language; a coarse gesture.
5. Rough; inclement; unpleasant: said of the weather: as, it's a coarse day.
6. In pathology, rough; hoarse: said of the respiratory note or of râles heard in auscultation of the chest.

Wiktionary

1. adj. Composed of large parts or particles; of inferior quality or appearance; not fine in material or close in texture.
2. adj. Lacking refinement, taste or delicacy;

GNU Webster's 1913

1. adj. 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.
2. adj. Not refined; rough; rude; unpolished; gross; indelicate.

WordNet 3.0

1. adj. of textures that are rough to the touch or substances consisting of relatively large particles
2. adj. of low or inferior quality or value
3. adj. lacking refinement or cultivation or taste