Lewis Short
rĕ-grĕdĭor, gressus, 3
* V. dep. n. [gradior], to go or come back; to turn back, return (class.; syn.: revertor, redeo).
* Lit.: ut regredi quam progredi mallent,Cic. Off. 1, 10, 33: illuc regredere ab ostio,Plaut. Aul. 1, 1, 7: ex itinere in castra regressi,Liv. 24, 18 (with redituros): regressus Tarraconem,id. 34, 16, 10: eādem regreditur,Sall. J. 93, 5: ad Hiberum,Liv. 34, 19, 11; 38, 25, 3; 25, 22, 16: a Germaniā in Urbem regressus,Suet. Tib. 20: regressus in insulam,id. ib. 41: regressus domum,id. ib. 11: retro (opp. ultro progredi), Auct. B. Afr. 50, 3: inde regressus Cretam,Just. 22, 4, 4: propius,Tac. A. 2, 70; 15, 54; id. H. 3, 77.
* In milit. lang., to march back, withdraw, retire, retreat: illi autem hoc acrius instabant neque regredi nostros patiebantur,Caes. B. C. 3, 45; id. B. G. 2, 23; 5, 44: statim in collis regredi,Sall. J. 55, 8; Front. Strat. 3, 11, 1, and 2.
* Trop.
* In gen.: an in eum annum progredi nemo potuerit edicto, quo praetor alius futurus est: in illum, quo alius praetor fuit, regredietur?Cic. Verr. 2, 1, 42, § 109: regredi infinite,id. Fat. 15, 35: a quo incepto studioque me ambitio mala detinuerat, eodem regressus, etc.,Sall. C. 4, 2; cf.: ut et digredi ex eo et regredi in id facile possimus,Quint. 10, 6, 5: ad formandos animos, id. prooem. § 14: in memoriam regredior audisse me (with redeo),Plaut. Capt. 5, 4, 26: in reorum potestatem regredi,Dig. 48, 5, 27.
* Law t. t., to have recourse: ad venditorem,Dig. 21, 2, 21, § 3.?*! Act. form regrĕdo: gradum regredere, Enn. ap. Non. 166, 23 (Trag. v. 13 Vahl.).
Charlton T. Lewis, Charles Short, A Latin Dictionary