coarse /kɔ:s/ adj. 1.粗的，粗糙的；粗劣的：coarse material (cotton) 粗劣的材料(棉花)；coarse skin 粗糙的皮肤；coarse salt 粗盐 2.粗俗的：coarse language 粗话 He is coarse in manner (speech). 他举止(说话)粗鲁。He is coarse of speech. 他说话粗俗。