/ Dictionary / Index C coarse: Meaning and Definition of Find definitions for: coarse Pronunciation: (kôrs, kōrs), [key] — coars•er, coars•est. composed of relatively large parts or particles: The beach had rough, coarse sand. lacking in fineness or delicacy of texture, structure, etc.: The stiff, coarse fabric irritated her skin. harsh; grating. lacking delicacy, taste, or refinement; unpolished: He had coarse manners but an absolutely first-rate mind. of inferior or faulty quality; common; base. vulgar; obscene; crude: His coarse language angered us. (of metals) unrefined. (of a metal file) having the maximum commercial grade of coarseness. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: coarse (Thesaurus) coarctation coarse-grained Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language