Lewis & Short

ē-vānesco, nŭi, 3 (part. fut. evaniturus, Lact. 5, 4 fin.), v. inch. n., to vanish or pass away, to die away, to disappear (class.).

  1. I. Lit.
      1. 1. In gen.: Bacchi cum flos evanuit (with diffugere in auras), Lucr. 3, 222: evanescere paulatim et decrescere pondus, id. 5, 536: evanescere stinguique colorem, id. 2, 828: pruna, Varr. R. R. 2, 4, 6: aquae, to evaporate, Sen. Q. N. 3, 24; cf.: vinum et salsamentum vetustate, i. e. to lose its strength, become vapid, Cic. Div. 2, 57: cornuaque extremae velut evanescere lunae, Ov. M. 2, 117 et saep.: et procul in tenuem ex oculis evanuit auram, Verg. A. 9, 658; Ov. M. 14, 432; id. F. 2, 509.
      2. 2. Of persons who flee or hide themselves through fear, Flor. 3, 3, 18; Amm. 16, 6, 3.
  2. II. Trop.: ne cum poëta scriptura evanesceret, to die away, sink into oblivion, Ter. Hec. prol. alt. 5; cf.: omnis eorum memoria sensim obscurata est et evanuit, Cic. de Or. 2, 23, 95: orationes, id. Brut. 27 fin.: Hortensius, id. ib. 94: sententiae Aristonis, Pyrrhonis (opp. stabilitatem habere), id. Tusc. 5, 30, 85 et saep.: postea quam extenuari spem nostram et evanescere vidi, id. Att. 3, 13: rumor, Liv. 28, 25; 44, 31: fama, id. 33, 8: ingenium, id. 2, 48: omnis vis herbarum, Ov. M. 14, 356: bella per taedia et moras (opp. valida impetu), Tac. H. 2, 32: donatio, i. e. to lose its effect (opp. valere), Dig. 24, 1, 11, § 7; cf.: actio dotis, ib. 24, 3, 21: evanescunt haec atque emoriuntur comparatione meliorum, Quint. 12, 10, 75.