The Oxford Thesaurus An A-Z Dictionary of Synonyms - vulgarity n.

1) coarseness, lack of refinement or sophistication, crudeness, rudeness, indelicacy, tawdriness, baseness, humbleness, unsophistication, gaucherie, gaucheness, ignobility: When you consider his upbringing you can scarcely blame him for his vulgarity. 2) impropriety, lewdness, grossness, foulness, vileness, filthiness, obscenity, Slang US raunchiness: The magazine was refused an import licence because of its vulgarity.