verb (v)

• cast off(verb.communication)

  Example:
  The parents repudiated their son.
  

  Synonym:
  disown, renounce
  

  source: wordnet30
• refuse to acknowledge, ratify, or recognize as valid(verb.cognition)

  Example:
  The woman repudiated the divorce settlement.
  

  source: wordnet30
• refuse to recognize or pay(verb.communication)

  Example:
  Repudiate a debt.
  

  source: wordnet30
• reject as untrue, unfounded, or unjust(verb.communication)

  Example:
  She repudiated the accusations.
  

  source: wordnet30
• To cast off; to disavow; to have nothing to do with; to renounce; to reject.(verb)

  source: webster1913