In a situation when people are about to vote, the swing vote is used to talk about the vote of a person or group which is difficult to predictand which will be important in deciding the result.
[mainly US, journalism]
...a Democrat who holds the swing vote on the committee.
swing vote in British English
(swɪŋ vəʊt)
noun
politics, especially US
in a situation when people are about to vote, the swing vote is used to talk about the vote of a person or group which is difficult to predict and which will be important in deciding the result
He's a Democrat who holds the swing vote on the committee.
Examples of 'swing vote' in a sentence
swing vote
Three Congressmen on the committee held the swing vote and the smart money was that they'd vote for approval if they were paid off.