Lewis & Short

tĕpĭdus, a, um, adj. [tepeo], moderately warm, lukewarm, tepid (cf.: calidus, fervidus).

  1. I. Lit.: frigidum aliquid et calidum novimus: inter utrumque tepidum est. Si tepido illi plus frigidi ingessero, fiet frigidum: si plus calidi affudero, fiet novissime calidum, Sen. Ep. 92, 21; so, calidus tepidusque vapor, Lucr. 2, 858: tactus, id. 6, 1165: lac, Ov. M. 7, 247: jus, Hor. S. 1, 3, 81: sol, id. Ep. 1, 20, 19: brumae, id. C. 2, 6, 17: cruor, Verg. A. 6, 248: foci, Ov. F. 2, 646: rogi, id. H. 6, 90; id. Tr. 1, 5, 12: Notus, id. P. 4, 10, 43: Berenicida, Luc. 9, 524: aqua, Plin. 12, 25, 54, § 123; 31, 2, 2, § 4.
    Comp.: fastigia tepidiora, Varr. R. R. 1, 6, 2: dies, id. ib. 3, 10, 3; Plin. 10, 59, 79, § 163.
    Sup.: cubiculum hieme tepidissimum, Plin. Ep. 5, 6, 24.
  2. II. Trop., opp. to heat, ardor, lukewarm, cooled, faint, languid, etc.: tepidam recalescere mentem, Ov. R. Am. 629; so, mens, id. A. A. 2, 445: ignes, id. M. 11, 225; id. Am. 2, 19, 15: adflarant tepidae pectora vestra faces, id. R. Am. 434.
    Adv.: tĕpĭdē, tepidly, lukewarmly.
        1. a. Lit., Col. 8, 5, 19.
          Comp., Plin. Ep. 5, 6, 25; Lampr. Comm. 1, § 9.
        2. * b. Trop., without warmth, flatly: tepidissime hoc dicebat, Aug. Conf. 8, 11 med.