[-ING2.] That countervails; counterbalancing, compensating.
1793. T. Jefferson, Writ. (1859), IV. 15. It would not have been wonderful if we had taken countervailing measures.
1832. Lewis, Use & Ab. Pol. Terms, xx. 173. Balanced by countervailing advantages.
1884. Sat. Rev., 14 June, 781/1. If we impose a countervailing duty upon bounty-fed sugar.