vulgar

adj.

[1]	indelicate , coarse , common , boorish , uncultured , rough-cut , uncouth , uncultivated , low , unrefined , common , plebeian , inelegant , unladylike , ungentlemanly , gauche , uncouth , coarse , tasteless , ostentatious , ignoble , low-class , (Colloq) flash
[2]	tasteless , common , plebeian , indelicate , indecent , unwashed , rude , crude , naughty , dirty , improper , off colour , ribald , blue , indecorous , nasty , offensive , gross , lustful , obscene , lewd , lascivious , licentious , smutty , salacious , scatological , filthy , pornographic , (Slang) (US) raunchy
[3]	popular , common , vernacular , vernacular , ordinary , everyday , general , homespun , commonplace , household , average
[4]	crude , earthy , gross