[ kawrs, kohrs ]
/ kɔrs, koʊrs /

adjective, coars·er, coars·est.

Origin of coarse

First recorded in 1550–60; earlier cors(e), course, cowarce; of obscure origin

Related forms

Can be confused

coarse course curse Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for coarse


/ (kɔːs) /


rough in texture, structure, etc; not finecoarse sand
lacking refinement or taste; indelicate; vulgarcoarse jokes
of inferior quality; not pure or choice
(of a metal) not refined
(of a screw) having widely spaced threads

Derived Forms

coarsely, adverbcoarseness, noun

Word Origin for coarse

C14: of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012