Antifederal party

[ an-tee-fed-er-uh l, -fed-ruh l, an-tahy- ]
/ ˌæn tiˈfɛd ər əl, -ˈfɛd rəl, ˌæn taɪ- /

noun U.S. History.

the party that, before 1789, opposed the adoption of the proposed Constitution and after that favored its strict construction.
See also states' rights.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019