- purple state
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Somewhat whimsical synonym for swing state. (In the modern United States) a state that may support the Democratic or Republican Party (purple states, states that vote for Democratic or Republican Party in general, being red states in some given elections and blue states in other given elections). ::New Hampshire, New Englands only "up-for-grabs" state, has been called a purple state for its mix of red (Republican) and blue (Democratic) voters in 2000. "Pollsters Eye Purple Vote Up in N.H.", The Boston Globe, 2004 July 25, Pg. B4
Wikipedia foundation.