vulgar

adj

1.
lacking refinement or cultivation or taste
coarse common rough-cut uncouth
Derived from:
vulgarity vulgarize
2.
of or associated with the great masses of people
common plebeian unwashed
Derived from:
vulgarize
3.
being or characteristic of or appropriate to everyday language
common vernacular
4.
conspicuously and tastelessly indecent
crude earthy gross
Derived from:
vulgarity