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v. coun·ter·vailed, coun·ter·vail·ing, coun·ter·vails
1. To act against with equal force; counteract.
2. To compensate for; offset.
To act against an often detrimental influence or power.
1. (when: intr, usually foll by against) to act or act against with equal power or force
2. (tr) to make up for; compensate; offset
[C14: from Old French contrevaloir, from Latin contrā valēre, from contrā against + valēre to be strong]
1. to act against with equal power or effect; counteract.
2. to furnish an equivalent of or a compensation for; offset.
3. Archaic. to equal.v.i.
4. to be of equal force in opposition; avail.
Past participle: countervailed
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|Verb||1.||countervail - compensate for or counterbalance; "offset deposits and withdrawals"|
|2.||countervail - oppose and mitigate the effects of by contrary actions; "This will counteract the foolish actions of my colleagues"|
override - counteract the normal operation of (an automatic gear shift in a vehicle)