coarse Pronunciation: /kɔːrs; kɔːs/Translate coarse | into French | into German | into Italian Spanish translation of coarseadj (coarser, coarsest) 1 [sand/filter] grueso; [cloth] basto, ordinario, burdo; [features] tosco 2 [person/manners/language] ordinario, bastocoarse in other Oxford dictionaries Definition of coarse in the British & World English dictionary Definition of coarse in the US English dictionary