swing state
idiomPart ofswing
swing state — idiom
1. a US state where the Democratic and Republican parties have roughly equal levels
1.idiom
Definition
a US state where the Democratic and Republican parties have roughly equal levels of support, so the result of an election there is hard to predict.
Example
Pennsylvania has been an important swing state in nearly every presidential election since 2000.
The candidates visited three swing states in the final week before Election Day.