To refuse to accept. (Merriam – Webster)
To reject as unauthorised or as having no binding force. (Merriam – Webster)
To reject as untrue or unjust. (Merriam – Webster)
To refuse to accept something or someone as true, good, or reasonable: (Cambridge Dictionary)
To cast off or disown: (Dictionary.com)
To reject with disapproval or condemnation. (Dictionary.com)
Refuse to accept; reject. (Oxford Dictionaries)
Refuse to fulfil or discharge (an agreement, obligation, or debt) (Oxford Dictionaries)
What is Repudiation of a Contract?
History shows that it is legitimate to repudiate “odious debt”.