[im-pyoon] 
| 1. | to challenge as false (another's statements, motives, etc.); cast doubt upon. |
| 2. | Archaic. to assail (a person) by words or arguments; vilify. |
| 3. | Obsolete. to attack (a person) physically. |
| im·pugn (ĭm-pyōōn') tr.v. im·pugned, im·pugn·ing, im·pugns To attack as false or questionable; challenge in argument: impugn a political opponent's record. [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·pugn'a·ble adj., im·pugn'er n. |
