noun (n)

• the quality of being rustic or gauche(noun.attribute)

  Synonym:
  rusticity
  Antonym:
  urbanity
  

  source: wordnet30
• a socially awkward or tactless act(noun.act)

  Synonym:
  faux pas, gaffe, slip, solecism
  

  source: wordnet30
• An awkward action; clumsiness; boorishness.(noun)

  source: webster1913