- 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 impugnable
The only impugnable matter in the deed lies, as has been said, in the number of cardinals so created at a batch.The Life of Cesare Borgia
- (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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for impugnable
Online Etymology Dictionary, © 2010 Douglas Harper