antifederalist

an·ti·fed·er·al·ist

also An·ti·fed·er·al·ist A0339100 (ăn′tē-fĕd′ər-ə-lĭst, -fĕd′rə-lĭst, ăn′tī-)n. An opponent of the ratification of the US Constitution.
an′ti·fed′er·al·ist adj.an′ti·fed′er·al·ism n.

Antifederalist

(ˌæntɪˈfɛdərəlɪst; -ˈfɛdrə-) n1. (Historical Terms) history US a person who opposed the ratification of the Constitution in 1789 and thereafter allied with Thomas Jefferson's Antifederal Party, which opposed extension of the powers of the federal Government2. (Government, Politics & Diplomacy) history US a person who opposed the ratification of the Constitution in 1789 and thereafter allied with Thomas Jefferson's Antifederal Party, which opposed extension of the powers of the federal Government3. (Government, Politics & Diplomacy) (often not capital) any person who opposes federalism

An•ti•fed•er•al•ist

(ˌæn tiˈfɛd ər ə lɪst, -ˈfɛd rə-, ˌæn taɪ-)

n. 1. a member of a group that before 1789 opposed the adoption of the U.S. Constitution and after that favored its strict construction. 2. (l.c.) an opponent of federalism. [1780–90; Amer.] An`ti•fed′er•al•ism, n.