sour (v.) Copy link Outline I. Lit.II. Fig.1. ăcerbo, 12. exăcerbo, 1 • sour (v.): I. Lit.: to make acid, acorem facere, Col. 3, 21, med.: may also be expr. by facere, efficere, with adj. (v. sour [adj.], I.): v. also to curdle, to turn. II. Fig.: to irritate, q. v.: 1. ăcerbo, 1: to s. (or embitter) joys, a. gaudia, Stat. Th. 12, 75. 2. exăcerbo, 1: v. to embitter (2.). Phr.: a temper thoroughly s.'d, animus exulceratus, Cic. Deiot. 3, 8: Liv. 9, 14, ad med.: old age s.s me more and more, amariorem me senectus facit, Cic. Att. 14, 21, 3.