The Collaborative International Dictionary
Impugn \Im*pugn"\, 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.
The truth hereof I will not rashly impugn, or
overboldly affirm.
--Peacham.
Wiktionary
vb. (present participle of impugn English)
Usage examples of "impugning".
He's decided he insulted you, by impugning your status as a Gentleman Gaucho, or whatever you are when you carry one of those hide-away whips.
I can understand how you feel, but don't start impugning their motives.
I'm not impugning your courage, but bluntly, however keen you are, however quick and clever Ruth is, you'd be a liability to a fighting wing.
If Washington pulls its typical big-brother act, sends in the Marines or a division or two of Army troops, most Greeks are going to see that as the ugly Americans throwing their weight around, impugning their military's abilities-"
A dogmatic fact is not indeed a doctrine of revelation, but it is so intimately connected with a revealed doctrine that it would be impossible to deny the dogmatic fact without contradicting or seriously impugning the dogma.
Henry was requested by Don Antoni de’ Pizamanni, a patrician of Venice, who was also a Doctor of Sacred Theology, to write a tractate impugning this said book of Antonio degli Roselli.