until (prep.) Copy link Outline 1. ăd (with or without usque)2. ĭn • until (prep.): 1. ăd (with or without usque): u. his return, ad reditum suum, Cic. Off. 2, 23, 82: from about ten o'clock u. sunset, ab hora fere quarta usque ad solis occasum, Caes. B. G. 3, 15: u. late at night, ad multam noctem, ib. 1, 26: from morning u. evening, a mane usque ad vesperam, Suet. Cal. 18: u. dawn, ad lucem, Liv. 3, 28. 2. ĭn: he will sleep u. broad day, dormiet in lucem, Hor. Ep. 1, 18, 34: he spoke u. night, dixit in noctem, Plin. Ep. 4, 9. Esp. to put off u., differre in ...: e. g. to put off u. to-morrow, in crastinum d., Cic. de Or. 2, 90, fin.: v. put (off).