dealignment

de·a·lign·ment  (d-lnmnt)

n.

A movement among voters toward nonpartisanship, resulting in a weakening of party structure.

Thesaurus

Noun

1.

dealignment - a process whereby voters are moved toward nonpartisanship thus weakening the structure of political parties physical process, process - a sustained phenomenon or one marked by gradual changes through a series of states; "events now in process"; "the process of calcification begins later for boys than for girls"