Per·pet·u·al a.  Neverceasing; continuing forever or for an unlimited time; unfailing; everlasting; continuous.
    Unto the kingdom of perpetual night.   --Shak.
    Perpetual feast of nectared sweets.   --Milton.
 Circle of perpetual apparition, or Circle of perpetual occultation. See under Circle.
 Perpetual calendar, a calendar so devised that it may be adjusted for any month or year.
 Perpetual curacy Ch. of Eng., a curacy in which all the tithes are appropriated, and no vicarage is endowed. --Blackstone.
 Perpetual motion. See under Motion.
 Perpetual screw. See Endless screw, under Screw.
 Syn: -- Continual; unceasing; endless; everlasting; incessant; constant; eternal. See Constant.

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