To cast off; to disavow; to have nothing to do with; to renounce; to reject.
- To reject the validity or authority of: "Chaucer . . . not only came to doubt the worth of his extraordinary body of work, but repudiated it” ( Joyce Carol Oates).
- To reject emphatically as unfounded, untrue, or unjust: repudiated the accusation.
- To refuse to recognize or pay: repudiate a debt.
- To disown (a child, for example).
- To refuse to have any dealings with.