A.laid on one's back, freq. in Hom., esp. of one falling backwards, opp. “πρηνής, πολλοὶ δὲ πρηνεῖς τε καὶ ὕπτιοι ἔκπεσον” Il.11.179; “ὁ δ᾽ ὕ. ἐν κονίῃσι . . πέσε” 15.434, cf. 4.522, al., S.OT 811; “τὸν δ᾽ ὕ. ὦσ᾽ ἀπὸ δουρός” Il.16.863; ἄλλοτ᾽ ἐπὶ πλευρὰς κατακείμενος, ἄλλοτε δ᾽ αὖτε ὕ., ἄλλοτε δὲ πρηνής, of Achilles in his grief, 24.11; ὕ. ἀποθανέειν to die lying on one's back, Hdt.4.190; “ῥέγκει . . ὕ.” Ar.Eq.104; “ὕπτιον καθεύδειν οὐδενὶ βέλτιόν ἐστιν” Diocl. Fr.141; “κατεκλίνη ὕ.” Pl.Phd.117e, cf. Sor.2.87, al., Gal.18(2).56, al.; “ὑ. ἀνατετραμμένος” Pl.Euthd.278c; of a quadruped, ὀρθοῦ ἑστεῶτος . . καὶ ὑπτίου standing upright and lying on its back, Hdt.2.38, cf. AP5.202 (Asclep.).
II. ὕ. μέρη, in animals, the under parts, i.e. the belly, opp. τὰ πρανῆ (the upper parts, the back), Arist. PA658a16, al., cf. “πρανής” 11: hence Thphr.HP1.10.2, 3.14.2 uses ὕπτιος of the smoother upper surface of leaves, opp. πρανής of the rougher and under: γαστὴρ ὑ. the belly uppermost, E.Cyc.326; of the hand, ἐκτείνειν τὴν χεῖρ᾽ ὑ. to hold out the hand with the under side uppermost, to hold out the hollow of the hand, so as to receive something, Ar.Ec.782; “τὴν χεῖρα νῦν μὲν ὑ., νῦν δὲ πρηνῆ προτείνας” Plu.Tim.11; “τῆς χειρὸς ὑ. τὸ μέσον” Id.Crass.18; “ὑ. ταῖς χερσὶν ὑποδέχεσθαί τι” Philostr.Im.1.6; “ἐδέξαντο ὑπτίαις χερσὶ τὸν τῶν πολεμίων στρατόν” Procop.Goth.3.16.19; “οὐλὴ καρπῷ δεξιῷ ὑπτίῳ” PLond. 2.259.81 (i A. D.); also ὑ. τὰς χεῖρας ἀνατείνειν lift the upturned hands in prayers, Plu.Comp.Phil.Flam.2, cf. Philostr.Im.2.1; “ταῖς χερσὶν ὑπτίαις διαλέγεσθαι” D.Chr.33.52; ἐξ ὑπτίας νεῖν swim or float on one's back, Ar.Fr.665, Pl.R.529c.
III. generally, of anything turned downside up, πάλος ἐξ ὑπτίου 'πήδησεν . . κράνους from the upturned helmet, with the hollow uppermost, A.Th.459 (cf. Il.7.176); παράθες νυν ὑ. αὐτὴν ἐμοί (sc. τὴν ἀσπίδα) Ar.Ach.583, cf. Lys. 185, Th.7.82; ἁψῖδος ἥμισυ ὕπτιον a half-wheel with the concave side uppermost, Hdt.4.72; but κύλιξ ὑ. a cup with the bottom uppermost, Ar.Lys.195; ὑπτίοις σέλμασιν ναυτίλλεται he sails with the benches upside down, i.e. suffers shipwreck, S.Ant.716; “κεῖσθαι ὥσπερ γάμμα ὕ.” X.Oec.19.9; “σχαλίδες” Id.Cyn.6.7; περιφέρεια κοίλη καὶ ὑ., opp. πρηνὴς καὶ κυρτή, Arist.Mete.350a11.
2. ἐξ ὑπτίας ἀνάπαλιν διανεῖν τὸν λόγον trace the argument backwards from the conclusion, Pl.Phdr.264a, cf. Herm. in Phdr.p.187A.; ἐξ ὑπτίας backwards, in reverse order, “ἀπὸ τῶν ἐσχάτων ἐπὶ τὰ πρῶτα ἐπανιόντες” Dam.Pr.81; “ἐξ ὑπτίας χωροῦντες” Procl.Hyp.7.57.
IV. of land, flat, horizontal, Hdt.2.7, Thphr.CP5.12.7, App.BC4.2, Mith.42, Ael.NA16.15, Plu. 2.193e, 530a; “ἐν ὑπτίῳ τοῦ ὄρους” Paus.8.13.1; ὕ. μᾶλλον ἢ ὄρθιος, of a flight of shallow steps, Luc.Hipp.5; of the sea, smooth, Philostr. Im.2.17, Lib.Descr.7.5.
V. metaph., supine, lazy, careless, Aristid. Or.31(11).5, Id.2.112J., Poll.1.158, etc.; ἔστω . . μὴ ὕ. ὁ τράχηλος his neck should not be relaxed, Zeno Stoic.1.58; “δεῖ αὐτῷ καὶ αὐχένος ὀρθοῦ καὶ βλέμματος οὐχ ὑπτίου” Lib.Or.64.103; “προσφέρομαι τῶν αὐστηρῶν τι . . ὅταν αἴσθωμαί ποθ᾽ ὕ. [τὸν στόμαχον] γεγονότα καὶ πλησίον ἥκοντα ναυτίας” Gal.6.601, cf. 15.460; of language, flat, tedious, D.H.Isoc. 15, Din.8, Hermog.Stat.3, etc. Adv., ὑπτίως ἔχειν to be flat and dull, Ph.1.305; “ὑ. καὶ οὐ ποιητικῶς ᾖσεν” Philostr.Her.2.19.
