noun (n)

• wit having a sharp and caustic quality(noun.communication)

  Example:
  He commented with typical pungency.
  

  Synonym:
  bite
  

  source: wordnet30
• a strong odor or taste property(noun.attribute)

  Example:
  The pungency of mustard.
  

  Synonym:
  bite, raciness, sharpness
  

  source: wordnet30
• The quality or state of being pungent or piercing; keenness; sharpness; piquancy; as, the pungency of ammonia.(noun)

  source: webster1913