- The definition of impugn is to question the truthfulness or validity of a statement.
An example of impugn is when you call someone out on what you believe to be a lie.
- Obsolete to attack physically
- to attack by argument or criticism; oppose or challenge as false or questionable
Origin: Middle English impugnen from Old French impugner from Classical Latin impugnare from in-, on, against plush pugnare, to fight: see pugnacious
Used by arrangement with John Wiley & Sons, Inc.
transitive verb im·pugned, im·pugn·ing, im·pugns
Origin: Middle English impugnen, from Old French impugner, from Latin impugnāre : in-, against; see in-2 + pugnāre, to fight; see peuk- in Indo-European roots.
- im·pugnˈa·ble adjective
- im·pugnˈer noun