English to English

noun (n)

• an obligation to pay money to another party(noun.state)

  Synonym:
  financial obligation, liability
  

  source: wordnet30
• a personal relation in which one is indebted for a service or favor(noun.linkdef)

  Synonym:
  obligation
  

  source: wordnet30
• The state of being indebted.(noun)

  source: webster1913