(adj.adv.) : prae-postĕrus, a, um, adj.
* Reversed, inverted, perverted, distorted, absurd, preposterous, unseasonable, etc. (class.; syn.: intempestivus, perversus).
* Of persons, absurd, preposterous: ut erat semper praeposterus atque perversus,Cic. Clu. 26, 71: imperator,id. Pis. 38, 92: homines,Sall. J. 85, 12.
* Of things concr. and abstract: praeposteri ficus,figs out of season, too late,Plin. 16, 27, 51, § 117: natalis, an inverted birth, i. e. with the feet foremost, id. 7, 8, 6, § 46: praeposteri aut praeproperi rigores,id. 18, 25, 57, § 208: dies,id. 17, 24, 37, § 216: frigus,Sen. Ep. 23, 1: quid tam perversum praeposterumve dici, aut excogitari potest?Cic. Rab. Post. 13, 37: ut ne quid perturbatum ac discrepans, aut praeposterum sit,id. de Or. 3, 11, 40: tempora,id. ib. 3, 13, 49: gratulatio,id. Sull. 32, 91: consilia,id. Lael. 22, 85: ordo,Lucr. 3, 621: praepostera et intempestiva oratio,Plin. Ep. 6, 5, 3.—Hence, adv.: praepostĕrē, in a reversed order, irregularly (class.): litteras reddere,Cic. Att. 7, 16, 1: agere cum aliquo,id. Ac. 2, 20, 67: laevus calceus praepostere inductus,the left inslead of the right,Plin. 2, 7, 5, § 24: dicere aliquid,Plin. Ep. 3, 9, 28: syllogismo uti,Gell. 2, 8, 1; and praepostero,Sen. Ep. 3, 2.

s. TLL