U.S. Politics. Of or relating to a conservative political party in Pennsylvania in the late 18th cent. Now historical.

spec. U.S. Usually with capital initial. Designating a political party formed in the early years of American independence, advocating a strong…

U.S. Politics. Of or relating to the Democratic Republican Party founded by Thomas Jefferson and James Madison in the 1790s to oppose the policies of…

Of, designating, or relating to the party of the National Republicans.

Of, relating to, or designating the party of the Native Americans (sense A. 2). Now historical.

Of or relating to (advocacy of) the prohibition of slavery. Esp. in the name of or with reference to the Free Soil Party (active 1848–54), which…

U.S. Politics. Usually with capital initials. Of, relating to, characteristic of, or supporting the Know-Nothings or the American Party (see sense…