'Repudiate' definitions:

Definition of 'repudiate'

(from WordNet)
verb
Cast off; "She renounced her husband"; "The parents repudiated their son" [syn: disown, renounce, repudiate]
verb
Refuse to acknowledge, ratify, or recognize as valid; "The woman repudiated the divorce settlement"
verb
Refuse to recognize or pay; "repudiate a debt"
verb
Reject as untrue, unfounded, or unjust; "She repudiated the accusations"

Definition of 'Repudiate'

From: GCIDE
  • Repudiate \Re*pu"di*ate\ (r[-e]*p[=u]"d[i^]*[=a]t), v. t. [imp. & p. p. Repudiated (-?`t?d); p. pr. & vb. n. Repudiating.] [L. repudiatus, p. p. of repudiare to repudiate, reject, fr. repudium separation, divorce; pref. re- re- + pudere to be ashamed.] [1913 Webster]
  • 1. To cast off; to disavow; to have nothing to do with; to renounce; to reject. [1913 Webster]
  • Servitude is to be repudiated with greater care. --Prynne. [1913 Webster]
  • 2. To divorce, put away, or discard, as a wife, or a woman one has promised to marry. [1913 Webster]
  • His separation from Terentis, whom he repudiated not long afterward. --Bolingbroke. [1913 Webster]
  • 3. To refuse to acknowledge or to pay; to disclaim; as, the State has repudiated its debts. [1913 Webster]

Synonyms of 'repudiate'

From: Moby Thesaurus