noun (n)

• the condition of containing or being covered by a liquid (especially water)(noun.state)

  Example:
  He confirmed the wetness of the swimming trunks.
  

  Antonym:
  dryness, waterlessness, xerotes
  

  source: wordnet30
• The quality or state of being wet; moisture; humidity; as, the wetness of land; the wetness of a cloth.(noun)

  source: webster1913