impugnable

im·pugn

 (ĭm-pyo͞on′)

tr.v. im·pugned, im·pugn·ing, im·pugns

To attack as false or questionable; challenge in argument: impugn a political opponent's record.

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[Middle English impugnen, from Old French impugner, from Latin impugnāre : in-, against; see in-² + pugnāre, to fight; see peuk- in Indo-European roots.]

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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.

Thesaurus

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.