• (RP) enPR: kôs, IPA: /kɔːs/
• (America) enPR: kôrs, IPA: /kɔːɹs/
• (rhotic, horse-hoarse) enPR: kōrs, IPA: /ko(ː)ɹs/
• (nonrhotic, horse-hoarse) IPA: /koəs/

coarse (comparative coarser, superlative coarsest)

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

   coarse manners

   coarse language

   • 1791, John Walker, A Critical Pronouncing Dictionary […] ‎, London: Sold by G. G. J. and J. Robinſon, Paternoſter Row; and T. Cadell, in the Strand, OCLC 37805775 ↗, page 211, columns earth}}] is liable to a coarſe vulgar pronunciation, as if written Urth;{{...}:

     ☞ This word [{{m

• (of inferior quality): thick, rough, sharp, hard
• (not refined): rough, rude, uncouth, blunt, unpolished, inelegant, indelicate, vulgar, gritty, obscene, crass

• (of inferior quality): fine

• French: grossier
• German: grob, grobkörnig
• Italian: grossolano, grezzo, grosso
• Russian: кру́пный

• French: brut
• German: grob
• Italian: rude, grossolano
• Portuguese: grosseiro
• Russian: гру́бый
• Spanish: tosco, rústico, rudo, bruto, crudo, grosero, burdo, chabacano, ramplón

• French: vulgaire
• German: grob, derb, primitiv
• Italian: rozzo, grezzo, greggio, sguaiato
• Portuguese: rude, grosseiro
• Russian: гру́бый
• Spanish: grosero, bruto, soez, chocarrero