Lewis & Short

1. prōfāno, āvi, ātum, 1, v. a. [pro-fanum], to bring any thing to a god before the temple, i. e. to dedicate, consecrate, offer in sacrifice (ante-class.): daps profanata, Cato, R. R. 50: profanato sine contagione, id. ib. 132: decimam Herculi, Massur. Sabin. ap. Macr. S. 3, 6: ad aram decimam bovum, Fest. s. v. potitium, p. 237 Müll.; Aur. Vict. Orig. Gent. Rom. 6: polluctum cum profanatum dicitur, id est proinde ut sit fani factum; itaque olim fano consumebatur omne quod profanum erat, Varr. L. L. 6, § 54 Müll. (the passage is corrupt).

2. prŏfāno, āvi, atum, 1, v. a. [profanus].

  1. I. Lit., to render unholy, deprive of sanctity, to unhallow, desecrate, profane (perh. not ante-Aug.): dies festos, sacra, sacerdotes, Liv. 31, 44: sacrum, Ov. Am. 3, 9, 19: festum, id. M. 4, 390: sacra, Petr. 89: funus, Stat. Th. 9, 8: sabbata, Vulg. Ezech. 23, 38: justitias, id. Psa. 88, 32.
  2. II. Transf.
    1. A. To violate, pollute: pudorem, Curt. 5, 1, 38: os, Quint. 11, 1, 84: nomen, id. Decl. 10.
    2. B. To disclose, reveal, betray: secreta, App. M. 5, p. 164, 13: res profanata non valeat, Pall. 1, 35, 1.