v. To contradict or controvert; to oppose; to challenge or question the truth or validity of a given statement.
the GNU version of the Collaborative International Dictionary of English
v. To fight against; to attack; to be in conflict with; to oppose; to resist.
The Century Dictionary and Cyclopedia
To fight against; oppose; resist.
To attack; oppose, as by argument; make an assault upon.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. challenge the accuracy, probity, or propriety of
Word Usage
"As for those places of Scripture which oppugn it, they will have spoken ad captum vulgi, and if rightly understood, and favourably interpreted, not at all against it; and as Otho Gasman, Astrol. cap."