Party loyalties are now more lightly held; the long-term trend is toward party dealignment in the electorate.    From Wordnik.com.  [Harold L. Wilensky: 2008: Democratic Sweep or A Near Miss?] Reference

There are 17m who did not vote in last year’s election – showing a dealignment, rather than a realignment.    From Wordnik.com.  [Who will fill the UKIP-shaped hole?] Reference

Thanks to Karl Rove for “dealignment.”.    From Wordnik.com.  [11/24/2006] Reference