A.numberless, countless, infinite, prop. of Number, and commonly in pl., as mostly in Hom., Il.2.468, al.: also in sg. with collective Nouns, “χέραδος μυρίον” 21.320; “λόγχη” E.Ph.441; “χαλκός” Pi.N.10.45; “χρυσός” Theoc.16.22: strengthd., “μάλα μυρίοι” Od.17.422, 19.78; “πολλάκις μυριοι” Pl.Tht. 175a; “μυρίαι ἐπὶ μυριαις πόλεις” Id.Lg.676b, cf. Tht.155c, D.H.Rh. 7.4.
2. in Poets also, of Size, measureless, immense, in finite, “μυρίος ὦνος” Od.15.452; πένθος, ἄχος μ., Il.18.88, 20.282; μυρία ἄλγεα, κήδεα, 1.2, 24.639; μ. παντᾷ κέλευθος a boundless course, Pi.I.4(3).1, cf. B. 5.31; “πάρεστι μ. κέλευθος μελέων” Id.18.1; “μ. παντᾷ φάτις” Id.8.48; μ. μόχθοι, ἄχθος, A.Pr.541 (lyr.), S.Ph.1168 (lyr.); “χάρις” E.Alc.544; “κλέος” Theoc.Ep.21.2; μ. εὐφροσύνη APl. l.c. (Crin.): in Ion. Prose, ὄψις μυρίη all kinds of sights, Hdt.2.136; μ. κακότης, εὐδαιμονίη, Id.6.67; “θῶμα” Id.2.148: sts. in Pl., μ. πενία, διαφορότης, ἐρημία, Ap.23c, Phlb.13a, Lg.677e: so in later Prose, “μ. ἀχλύς” Jul.Or.7.232a.
4. neut. pl. μυρία as Adv., immensely, incessantly, “ἔκλαυσεν μ.” AP7.374 (Marc. Arg.), cf. 12.169 (Diosc.).
b. dat. as Adv., μυρίῳ σοφώτερος infinitely wiser, E.Andr.701; μυρίῳ βέλτιον, μυριῳ κάλλιον, Pl.R.520c, Ti. 33b; μυρίῳ πρὸς εὐδαιμονίαν διαφέρειν to differ infinitely, Id.Plt.272c; but “μυρίον διαφέρειν” Id.Tht.166d.
II. as a definite numeral, in pl. μύριοι , αι, α, ten thousand, first in Hes., “τρὶς μ.” Op.252, cf. Hdt.3.95, IG12.63.37, etc.: sg. in military phrases, “ἵππος μ.” 10,000 horse, A.Pers.302, Hdt.1.27, 7.41; “ἀσπὶς μ.” X.An.1.7.10: rarely with other words, “κατὰ μυρίαν δεσμήν” by the 10,000 bundles, PPetr.3p.101 (iii B. C.), cf. PSI4.393.11 (iii B. C.); οἱ Μύριοι the Ten Thousand, an assembly of the Arcadians, X.HG7.1.38, IG5(2).1.4 (Tegea, iv B. C.); “οἱ Μ. ἐν Μεγάλῃ πόλει” D.19.11.