Dictionary

countervail

verb coun·ter·vail \ˌkan-tər-ˈvāl\

Definition of COUNTERVAIL

transitive verb
1
:  to compensate for
2
archaic :  equal, match
3
:  to exert force against :  counteract
intransitive verb
:  to exert force against an opposing and often bad or harmful force or influence
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Origin of COUNTERVAIL

Middle English countrevailen, from Anglo-French cuntrevaloir, from cuntre- counter- + valoir to be worth, from Latin valēre — more at wield
First Known Use: 14th century

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