Of or pertaining to the common people; suited to or practised among the multitude; plebeian: as, vulgar life; vulgar sports.Common; in general use; customary; usual; ordinary.Hence, national; vernacular: as, the vulgar tongue; the vulgar version of the Scriptures; in zoology and botany, specifically, vernacular or trivial, as opposed to scientific or technical, in the names or naming of plants and animals. See pseudonym, 2.Pertaining or belonging to the lower or less refined class of people: unrefined; hence, coarse; offensive to good taste; rude; boorish; low; mean; base: as, vulgar men, language, minds, or manners.Synonyms and Ordinary, etc. See common.Rustic, low-bred.n. A vulgar person; one of the common people: used only in the plural.n. The vernacular tongue or common language of a country.