All 3 Uses

countervail
in
Leaves of Grass
(Edited)

There can be any number of supremes—one does not countervail another any more than one eyesight countervails another, or one life countervails another.
Chpt 23

countervail = neutralize
There can be any number of supremes—one does not countervail another any more than one eyesight countervails another, or one life countervails another.
Chpt 23 *

countervails = neutralizes
There can be any number of supremes—one does not countervail another any more than one eyesight countervails another, or one life countervails another.
Chpt 23

Definitions:

(1) (countervail)
to counterbalance, or oppose (the effects of something)--often in such a manner that the effects being opposed are neutralized (made ineffective)
(2) (meaning too rare to warrant focus)