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Meaning of Antifederal party

An•ti•fed'er•al par"ty

Pronunciation: (an"tē-fed'ur-ul, -fed'rul, an"tī-), [key]
— U.S. Hist. U.S. Hist.
  1. the party that, before 1789, opposed the adoption of the proposed Constitution and after that favored its strict construction. Cf. States' rights.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.