/
rɪˈpjuːdɪeɪt/
v.
    - refuse to accept or be associated with.
 - deny the truth or validity of.
 - chiefly Law  refuse to fulfil or discharge (an agreement, obligation, or debt).
 - archaic disown or divorce (one's wife).
 
Derivative
- repudiation n.
  - repudiator n.
  - repudiatory
  
/rɪˈpjuːdɪəˌt(ə)ri/
 adj. (Law ). 
Etymology
ME (orig. an adj. in the sense ‘divorced’): from L. repudiatus ‘divorced, cast off’, from repudium ‘divorce’.