noun the vernacular, or common language.
2. vulgar ·noun one of the common people; a vulgar person.
3. vulgar ·adj of or pertaining to the mass, or multitude, of people; common; general; ordinary; public; hence, in general use; vernacular.
4. vulgar ·adj 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.
5. vulgar ·adj 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.