Also found in: Thesaurus.
tr.v. op·pugned, op·pugn·ing, op·pugns
To oppose, contradict, or call into question.
[Middle English oppugnen, from Latin oppugnāre, to attack : ob-, against; see ob- + pugnāre, to fight with the fist; see peuk- in Indo-European roots.]
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.