The Collaborative International Dictionary
Countervail \Coun`ter*vail"\ (koun`t?r-v?l"), v. t. [imp. & p. p. Countervailed (-v?ld); p. pr. & vb. n. Countervailing.] [OF. contrevaloir; contre (L. contra) + valoir to avail, fr. L. valere to be strong, avail. See Vallant.] To act against with equal force, power, or effect; to thwart or overcome by such action; to furnish an equivalent to or for; to counterbalance; to compensate.
Upon balancing the account, the profit at last will
hardly countervail the inconveniences that go allong
with it.
--L'Estrange.
Wiktionary
vb. (en-past of: countervail)
Usage examples of "countervailed".
Examined at close range he might be said to feature an uncanny sense of concentration, a fixed intensity that countervailed his noncommittal brown eyes and generally listless manner.
The goodness mopping up on Diess was countervailed by the opening of the Irmansul campaign, where the Posleen had gained an immediate upper hand over the mostly Asian forces.
Like their brother robbers on the highway, they suppose the escape of the moment a final escape, and deem infamy and future risk countervailed by present gain.