noun (n)

• the trait of being effeminate (derogatory of a man)(noun.attribute)

  Example:
  Spartans accused Athenians of effeminateness.
  

  Synonym:
  effeminacy, sissiness, softness, unmanliness, womanishness
  

  source: wordnet30
• The state of being effeminate; unmanly softness.(noun)

  source: webster1913