Im-pūgn', v. t.
(im-pūn'), v. t. [imp. & p. p. IMPUGNED; p. pr. & vb. n. IMPUGNING.] [O. Fr. impugner, Pr., Sp., & Pg. impugnar, It. & Lat. impugnare, from Lat. prefix im, for in, and pugnare, to fight.] To attack by words or arguments; to contradict; to assail; to call in question; to make insinuations against; to gainsay.
The truth hereof I will not rashly impugn, or over-boldly affirm. Peacham.