noun (n)

• state of obstruction or stoppage or air in the nose or throat(noun.state)

  source: wordnet30
• the quality of being close and poorly ventilated(noun.attribute)

  Synonym:
  closeness
  

  source: wordnet30
• dull and pompous gravity(noun.attribute)

  Synonym:
  stodginess
  

  source: wordnet30
• The quality of being stuffy.(noun)

  source: webster1913