perpetual Copy link Outline 1. sempĭternus2. pĕrennis, e (lasting on from year to year)3. assĭduus (in less exact sense) • perpetual: 1. sempĭternus: the p. courses of the stars, s. stellarum cursus, Cic. Rep. 6, 24: true friendships are p., verae amicitiae s. sunt, id. Am. 9, 32. 2. pĕrennis, e (lasting on from year to year): the p. courses of the stars, stellarum perennes cursus, id. N. D. 2, 21, 55: incessant and p. motion, continuata motio et p., id. Tusc. 1, 10, extr. Join: also, perennis et perpetuus, Cic. N. D. l. c. 3. assĭduus (in less exact sense): v. incessant. (N.B.--Perpetuus denotes that something goes on without interruption, so long as it goes on at all = unbroken, continuous: only in later authors = perpetual: v. incessant.)