A ballot paper or vote that is not counted because of unclear marking by the voter.
〈美〉（选民标示不清晰的）选举票废票
Example sentencesExamples
Any undervotes are clearly the decision of the voter.
A hand count of undervotes could be organized and carried out in a matter of days.
For some voters, that undervote or overvote is their decision.
In the 18 punch-ballot counties that use the punch-ballot vote, the undervote was 1.5 percent.
For example, voting a straight party ticket and then choosing a candidate for a particular office would be an overvote on some optically-scanned ballots, but would be an undervote on some electronic machines.
By the way, there were fewer undervotes and overvotes than in 2000.
There were about 10,500 of these ballots and up to 60,000 undervotes throughout the state.
Definition of undervote in US English:
undervote
nounˈəndərˌvōt
US
A ballot not counted because of unclear marking by the voter.
〈美〉（选民标示不清晰的）选举票废票
Example sentencesExamples
In the 18 punch-ballot counties that use the punch-ballot vote, the undervote was 1.5 percent.
There were about 10,500 of these ballots and up to 60,000 undervotes throughout the state.
Any undervotes are clearly the decision of the voter.
By the way, there were fewer undervotes and overvotes than in 2000.
A hand count of undervotes could be organized and carried out in a matter of days.
For example, voting a straight party ticket and then choosing a candidate for a particular office would be an overvote on some optically-scanned ballots, but would be an undervote on some electronic machines.
For some voters, that undervote or overvote is their decision.