mindmap root((粗糙)) coarse implies roughness, rudeness, crudeness, or insensitiveness of spirit, behavior, or language: found the ~ humor of her coworkers offensive. vulgar often implies boorishness or ill-breeding: a loud, ~ laugh. gross stresses crude animal inclinations and lack of refinement: ~ eating habits make others lose their appetites. obscene stresses impropriety, indecency, or nasty obnoxiousness: ~ language that violated the broadcasters’ code. ribald applies to what is amusingly or picturesquely vulgar or indecent or crudely earthy: entertained the campers with ~ songs.