The Collaborative International Dictionary
Countervote
Countervote \Coun`ter*vote"\ (koun`t[~e]r*v[=o]t"), v. t.
To vote in opposition to; to balance or overcome by voting;
to outvote.
--Dr. J. Scott.
Wiktionary
countervote
vb. 1 To vote against. 2 To balance or overcome by voting.
Usage examples of "countervote".
Only once in Carradee's experience had an Elector dared to countervote Queen Siwann.