English to English

noun (n)

• the quality of lacking strength or power; being weak and feeble(noun.attribute)

  Synonym:
  impotence, powerlessness
  Antonym:
  power, powerfulness
  

  source: wordnet30
• an inability (usually of the male animal) to copulate(noun.state)

  Synonym:
  impotence
  Antonym:
  potence, potency
  

  source: wordnet30