- to challenge as false (another's statements, motives, etc.); cast doubt upon.
- Archaic. to assail (a person) by words or arguments; vilify.
- Obsolete. to attack (a person) physically.
Origin of impugn
SynonymsSee more synonyms for impugn on Thesaurus.com
1. attack, asperse, malign, criticize, censure.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for impugn
“I think the jury will see it as a desperate attempt to try and impugn his character,” Slotnick says.Jodi Arias’s Baffling Defense Strategy
February 17, 2013
Defense lawyers will look for inconsistencies in the same records as they try to impugn her credibility further.The Evidence That Could Doom DSK
Christopher Dickey, John Solomon
July 26, 2011
If you do, he will have to swear to his words; and we are perfectly sure that no one will be found to impugn him.Theaetetus
But as you are about to stake your life on the issue, I cannot impugn your sincerity.The Daltons, Volume I (of II)
Charles James Lever
Neeld admitted that he had no reason to impugn the Major's character.Tristram of Blent
I will not impugn the 174intelligence of this jury by a review of the evidence in so plain a case.The Hindered Hand
Sutton E. Griggs
Not being able to impugn her beauty, they attacked her costume.Notre-Dame de Paris
- (tr) to challenge or attack as false; assail; criticize
C14: from Old French impugner, from Latin impugnāre to fight against, attack, from im- + pugnāre to fight
Word Origin and History for impugn
Online Etymology Dictionary, © 2010 Douglas Harper