Disacknowledge
Pronunciation : Dis`ac*knowl"edge
Part of Speech : v.
Definition : Defn: To refuse to acknowledge; to deny; to disown. [Obs.] South.
t. [imp. & p. p. Disacknowledged; p. pr. & vb. n. Disacknowledging.]
Source : Webster's Unabridged Dictionary, 1913