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 the Appendix of Indo-European roots.] im·pugna·ble adj. im·pugner n. |
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