impugn

v. t. [ imp. & p. p. Impugned p. pr. & vb. n. Impugning. ] [ OE. impugnen, F. impugner, fr. L. impugnare; in on, against + pugnare to flight. See Pugnacious. ] To attack by words or arguments; to contradict; to assail; to call in question; to make insinuations against; to gainsay; to oppose; as, to impugn a person's integrity. [ 1913 Webster ]

The truth hereof I will not rashly impugn, or overboldly affirm. Peacham. [ 1913 Webster ]

a. Capable of being impugned; that may be gainsaid. [ 1913 Webster ]

n. [ L. impugnatio: cf. OF. impugnation. ] Act of impugning; opposition; attack. [ Obs. ] [ 1913 Webster ]

A perpetual impugnation and self-conflict. Bp. Hall. [ 1913 Webster ]

n. One who impugns. [ 1913 Webster ]