Vulgar

Of or pertaining to the mass, or multitude, of people; common; general; ordinary; public; hence, in general use; vernacular.

Belonging or relating to the common people, as distinguished from the cultivated or educated; pertaining to common life; plebeian; not select or distinguished; hence, sometimes, of little or no value.

Hence, lacking cultivation or refinement; rustic; boorish; also, offensive to good taste or refined feelings; low; coarse; mean; base; as, vulgar men, minds, language, or manners.

One of the common people; a vulgar person.

The vernacular, or common language.

being or characteristic of or appropriate to everyday language; "common parlance"; "a vernacular term"; "vernacular speakers"; "the vulgar tongue of the masses"; "the technical and vulgar names for an animal species"