'Coarse' definitions:

Definition of 'coarse'

(from WordNet)
adjective
Of textures that are rough to the touch or substances consisting of relatively large particles; "coarse meal"; "coarse sand"; "a coarse weave" [syn: coarse, harsh] [ant: fine]
adjective
Lacking refinement or cultivation or taste; "he had coarse manners but a first-rate mind"; "behavior that branded him as common"; "an untutored and uncouth human being"; "an uncouth soldier--a real tough guy"; "appealing to the vulgar taste for violence"; "the vulgar display of the newly rich" [syn: coarse, common, rough-cut, uncouth, vulgar]
adjective
Of low or inferior quality or value; "of what coarse metal ye are molded"- Shakespeare; "produced...the common cloths used by the poorer population" [syn: coarse, common]

Definition of 'Coarse'

From: GCIDE
  • Coarse \Coarse\ (k[=o]rs), a. [Compar. Coarser (k[=o]rs"[~e]r); superl. Coarsest.] [As this word was anciently written course, or cours, it may be an abbreviation of of course, in the common manner of proceeding, common, and hence, homely, made for common domestic use, plain, rude, rough, gross, e. g., "Though the threads be course." --Gascoigne. See Course.] [1913 Webster]
  • 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. [1913 Webster]
  • 2. Not refined; rough; rude; unpolished; gross; indelicate; as, coarse manners; coarse language. [1913 Webster]
  • I feel Of what coarse metal ye are molded. --Shak. [1913 Webster]
  • To copy, in my coarse English, his beautiful expressions. --Dryden.
  • Syn: Large; thick; rough; gross; blunt; uncouth; unpolished; inelegant; indelicate; vulgar. [1913 Webster]

Synonyms of 'coarse'

From: Moby Thesaurus