Impugn
Pronunciation : Im*pugn"
Part of Speech : v.
Etymology : [OE. impugnen, F. impugner, fr. L. impugnare; in on, against + pugnare to flight. See Pugnacious.]
Definition : Defn: To attack by words or arguments; to contradict; to assail; to call in question; to make insinuations against; to gainsay; to oppose. The truth hereof I will net rashly pugn, or overboldly affirm. Peacham.
t. [imp. & p. p. Impugned; p. pr. & vb. n. Impugning.]
Source : Webster's Unabridged Dictionary, 1913