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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.impugnable - subject to being discredited
questionable - subject to question; "questionable motives"; "a questionable reputation"; "a fire of questionable origin"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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La seleccion y priorizacion debera realizarse sobre la base de la "transparencia" como lo ha indicado la Corte Constitucional (sentencia C-579-2013), decision que puede ser impugnable. La investigacion debe ser seria, imparcial, efectiva, cumplida en un plazo razonable y con participacion de las victimas, quienes deberan contar con asesoria especializada (Corte Constitucional, sentencia C-579-2013).
Efectos: con caracter general, el acuerdo alcanzado en mediacion no sera impugnable por ninguna de las partes.
meantime, however colourable and impugnable those historical processes
ISLAMABAD -- The ongoing tug of war between Pakistan Medical and Dental Council (PM&DC) office bearers and PTI's legislators to demean each other by using their influential means, Islamabad High Court (IHC) directed to Capital Police to hold the arrest of PM&DC office bearers nominated in impugnable FIR No.

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