- 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.
impugn definition by Webster's New World
- 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
impugn definition by American Heritage Dictionary
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