sincērus, a, um, adj. [sin- = sim-, v. simplex; root in Sanscr. sama, whole, together; and root skir-, Sanscr. kir-, pour out], clean, pure, sound, not spoiled, uninjured, whole, entire, real, natural, genuine, sincere (class.; esp. freq. in the trop. sense; cf.: simplex, verus, incorruptus).
I Lit.: omnia fucata et simulata a sinceris atque veris (internoscere), Cic. Lael. 25, 95: aliquem ab omni incommodo, detrimento, molestiā sincerum integrumque conservare, unharmed , unhurt , id. Fam. 13, 50, 2: corpus (with sine vulnere), Ov. M. 12, 100; cf. pars, id. ib. 1, 191: membra, Lucr. 3, 717: porci sacres, sound , Plaut. Men. 2, 2, 16; cf. in comp. : cum jam me sinceriore corpusculo factum diceret (medicus), Gell. 18, 10, 4: sincerum tergum ... corium sincerissimum, clear (of weals), Plaut. Rud. 3, 4, 51 sq.; cf. so, corium, id. Most. 4, 1, 13: vas, clean , Hor. S. 1, 3, 56; id. Ep. 1, 2, 54: ex amphorā primum quod est sincerissimum effluit, Sen. Ep. 108, 26: lac, Col. 7, 8, 1; so, Amineum, id. 12, 47, 6: crocus, Plin. 21, 6, 17, § 32: axungia, id. 28, 9, 37, § 135: gemma (opp. sordium plena), id. 37, 8, 33, § 110: propria et sincera et tantum sui similis gens, unmixed , pure , Tac. G. 4; so, populus, id. H. 4, 64 fin. ; Suet. Aug. 40: nobilitas, Liv. 4, 4, 7: nitor, Sen. Ep. 66, 46.— Comp. : lux sincerior, App. de Mundo, p. 58, 29.—*
b Sincerum, adverb.: non sincerum sonĕre, that it does not ring clearly , is not genuine , Lucr. 3, 873.—
II Trop.: Atheniensium semper fuit prudens sincerumque judicium, sound , uncorrupted , Cic. Or. 8, 25: nihil erat in ejus (Cottae) oratione nisi sincerum, id. Brut. 55, 202; cf.: esse videtur Homeri (versus) simplicior et sincerior, Gell. 13, 26, 3; so, sincera gratia sermonis Attici, Quint. 10, 1, 65: sincera et integra natura, Tac. Or. 28 fin. : animus, Sen. Cons. Helv. 11, 6: vir, id. Ep. 73, 4: opiniones, id. ib. 94, 68: Minerva, pure , chaste , Ov. M. 8, 664: sincerum equestre proelium, unmixed , pure , Liv. 30, 11: non sincerum gaudium praebere, not unmixed , not undisturbed , id. 34, 41; so, gaudium, id. 44, 44: gaudium sincerius, Just. 10, 1, 3: voluptas, Ov. M. 7, 453: fama, unblemished , Gell. 6, 8, 5: Thucydides rerum gestarum pronunciator sincerus, honest , candid , upright , Cic. Brut. 83, 287; cf.: Fabii Annales, bonae atque sincerae vetustatis libri, Gell. 5, 4, 1.— Sup. : Q. Claudius optimus et sincerissimus scriptor, Gell. 15, 1, 4: verus atque sincerus Stoicus, id. 1, 2, 7 et saep.: mirabilia multa, nihil simplex, nihil sincerum, natural , genuine , Cic. Att. 10, 6, 2: nihil est jam sanctum neque sincerum in civitate, id. Quint. 1, 5: aliquid non sinceri, id. Div. 2, 57, 118: fides, Liv. 39, 2, 1: concordia, Tac. A. 3, 64: caritas, id. ib. 2, 42.—Hence, advv.
a sincērē , uprightly , honestly , well , frankly , sincerely : sincere dicere, * Ter. Eun. 177: satin' ego oculis utilitatem obtineo sincere, an parum, Plaut. Ep. 5, 1, 28: sincere et ex animo dicere, Cat. 109, 4: pronunciare, * Caes. B. G. 7, 20: agere, Attic. ap. Cic. Att. 9, 10, 9: administrare provincias, Val. Max. 2, 2, 8.— Comp. , Gell. 6 (7), 3, 55.— Sup. , Aug. Ep. ad Volus. 3 fin. — *
b sincērĭter , sincerely : aliquid cupere, Gell. 13, 16, 1; Cod. Just. 8, 28, 10.