n. A plot made in opposition to another; a counterploy.
v. To form a plot or plan in opposition to the actions of another.
the GNU version of the Collaborative International Dictionary of English
v. To oppose, as another plot, by plotting; to attempt to frustrate, as a stratagem, by stratagem.
n. A plot or artifice opposed to another.
The Century Dictionary and Cyclopedia
To oppose or frustrate by another plot or stratagem.
n. A plot or artifice advanced in opposition to another.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. make a plot in response to another plot
n. a plot intended to subvert another plot
Word Usage
"And as I watch yet another hour of portentous posturing, as Anna blabs on about "the magnitude of what is coming" while the rebels of the Fifth Column counterplot against them, I can't help also wonder what in the world the V's are waiting for."