1. 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, uncouth, vulgar • Similar to: unrefined • Derivationally related forms: vulgarize (for: vulgar), vulgarity (for: vulgar), uncouthness (for: uncouth), commonness (for: common), commonality (for: common), coarseness (for: coarse) 2. of stone or timber; shaped roughly without finishing • Syn: roughhewn • Similar to: unfinished