1.Definition: being or characteristic of or appropriate to everyday language
"The vulgar tongue of the masses", "The technical and vulgar names for an animal species"
2.Definition: conspicuously and tastelessly indecent
"A vulgar gesture", "Full of language so vulgar it should have been edited"
3.Definition: lacking refinement or cultivation or taste
"Appealing to the vulgar taste for violence", "The vulgar display of the newly rich"
4.Definition: of or associated with the great masses of people
"A vulgar and objectionable person"