ος, ον :
      1 éternel, T. LOCR. 96 c ; PLAT. Leg. 904 a, etc. ;
      2 perpétuel, PLAT. Rsp. 363 d ;
      3 séculaire : αἰώνιοι θέαι, HDN 3, 8, 18, jeux séculaires, à Rome.

➳ Fém. -ία, PLAT. Tim. 38 b ; ion. -ίη, ARÉT.

Étym. αἰών.

ον, also α, ον Pl. Ti. 37d, Ep. Heb. 9.12: — lasting for an age (αἰών II), perpetual, eternal (but dist. fr. ἀΐδιος, Plot. 3.7.3), μέθη Pl. R. 363d; ἀνώλεθρον… ἀλλ’ οὐκ αἰώνιον Id. Lg. 904a, cf. Epicur. Sent. 28; αἰ. κατὰ ψυχὴν ὄχλησις Id. Nat. 131 G. ; κακά, δεινά, Phld. Herc. 1251.18, D. 1.13; αἰ. ἀμοιβαῖς βασανισθησόμενοι ib. 19; τοῦ αἰ. θεοῦ Ep. Rom. 16.26, Ti.Locr. 96c; οὐ χρονίη μοῦνον… ἀλλ’ αἰωνίη Aret. CA 1.5; αἰ. διαθήκη, νόμιμον, πρόσταγμα, LXX Ge. 9.16, Ex. 27.21, To. 1.6; ζωή Ev. Matt. 25.46, Porph. Abst. 4.20; κόλασις Ev. Matt. l.c., Olymp. in Grg. p. 278J. ; πρὸ χρόνων αἰ. 2 Ep. Tim. 1.9; opp. πρόσκαιρος, 2 Ep. Cor. 4.18.
holding an office or title for life, perpetual, γυμνασίαρχος CPHerm. 62.
= Lat. saecularis, Phleg. Macr. 4.
Adv. -ίως eternally, νοῦς ἀκίνητος αἰ. πάντα ὤν Procl. Inst. 172, cf. Simp. in Epict. p. 77D. ; perpetually, μισεῖν Sch. E. Alc. 338.

ον (fem. αἰωνία Plat. Tim. 38b ; DS. 1.1 u. NT), immerwährend, ewig, Plat.; NT ; – θέαι, ludi saeculares, Herodian. 3.8.18.

αἰώνιος, -ον (as usual in Attic), also -α, -ον. 2Th.2:16, Heb.9:12;
(< αἰών), [in LXX chiefly for עוֹלָם ;]
age-long, eternal,
__(a) of that which is without either beginning or end: Rom.16:26, Heb.9:14;
__(b) of that which is without beginning: Rom.16:25, 2Ti.1:9, Tit.1:2;
__(with) of that which is without end (MM, VGT, see word): σκηναί, Luk.16:9 οἰκία, 2Co.5:1; διαθήκη, Heb.13:20; εὐαγγέλιον, Rev.14:6; παράκλησις, 2Th.2:16; λύτρωσις, Heb.9:12; κληρονομία, ib. 15; κόλασις, Mat.25:46; κρίμα, Heb.6:2; κρίσις, Mrk.3:29; ὄλεθρον, 2Th.1:9; πῦρ, Mat.18:8; freq. with ζωή, which see
SYN.: ἀΐδιος, which see (AS)