vulgar

adjective

1. 1

   conspicuously and tastelessly indecent

   coarse language

   a crude joke

2. 2

   being or characteristic of or appropriate to everyday language

   common parlance

   a vernacular term

3. 3

   of or associated with the great masses of people

   the common people in those days suffered greatly

   behavior that branded him as common

4. 4

   lacking refinement or cultivation or taste

   he had coarse manners but a first-rate mind

   behavior that branded him as common