kɔːs kɔːɹs ko(ː)ɹs ˈkɒmən ˈkɑmən ˈkɒmʌn hɑɹʃ hɑːʃ ʌnˈkuːθ ˈvʌl.ɡə ˈvʌl.ɡɚ 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 of textures that are rough to the touch or substances consisting of relatively large particles coarse meal coarse sand a coarse weave of low or inferior quality or value of what coarse metal ye are molded produced … the common cloths used by the poorer population