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Old / New Testament Greek Lexical Dictionary

Entry for Strong's #104 - ἀεί

Word Origin
from an obsolete primary noun (apparently meaning continued duration)
Parts of Speech
Word Definition [ Thayer | Strong | Mounce ]
Thayer's Definition
  1. perpetually, incessantly
  2. invariably, at any and every time: when according to the circumstances something is or ought to be done again
Hebrew Equivalent Words:
Strong #: 5769 ‑ עֹלָם (o‑lawm', o‑lawm');  8548 ‑ תָּמִיד (taw‑meed');  
Frequency Lists  [ Book | Word | Parsing ]
Verse Results
KJV (8) NAS (7) HCS (7)
Mark 1
Acts 1
2 Corinthians 2
Titus 1
Hebrews 1
1 Peter 1
2 Peter 1
Acts 1
2 Corinthians 2
Titus 1
Hebrews 1
1 Peter 1
2 Peter 1
Acts 1
2 Corinthians 2
Titus 1
Hebrews 1
1 Peter 1
2 Peter 1

Liddell-Scott-Jones Definitions

ἀεί, Adv.

1. ever, always, Hom., etc.; with other specifications of time, ἐμμενὲς αἰεί Od. 21.69; συνεχὲς αἰ. 9.74; ἀ. καθ' ἡμέραν, καθ' ἡμέραν ἀ., ἀ. καὶ καθ' ἡμέραν, ἀ. κατ' ἐνιαυτόν, ἀ. διὰ βίου, etc., Pl. Phd. 75d, etc.; ἀ. πανταχοῦ D. 21.197, cf. Ar. Eq.. 568; διὰ παντὸς ἀ. Pax 397; ἐνδελεχῶς ἀ. Men. 521; δεῦρ' ἀεί until now, E. Or. 1663, Pl. Lg. 811c; αἰεί κοτε, ποτε from of old, Hdt. 1.58, Th. 6.82; αἰ. δήποτε 1.13; cf. εἰσαεί: — with the Art., ὁ ἀ. χρόνος eternity, Hdt. 1.54, Pl. Phd. 103e, etc.; οἱ ἀ. ὄντες the immortals, X. Cyr. 1.6.46, etc.: but ὁ αἰ. βασιλεύων the king for the time being, Hdt. 2.98; οἱ ἀ. δικάζοντες D. 21.223; ὁ αἰ. ἐντὸς γιγνόμενος every one as he got inside, Th. 4.68; τὸν ἀ. προστυχόντα D. 21.131; τοῖσι τούτων αἰ. ἐκγόνοισι to their descendants for ever, Hdt. 1.105, cf. 3.83, etc.; in A. Pr. 937, θῶπτε τὸν κρατοῦντ' ἀ., ἀεί is postponed metri gr. Dialectic forms (cf. Hdn.Gr. 1.497, Et.Gud.z): 1 αἰεί, , Ion., Poet., and Early Att. (cf. Marcellin. Vit. Thuc. 52); found (beside ἀεί) in Att. Inscrr. to 361 B.C.

2. ἀεί [ three times in Hom., Att. ] normal in Att. Inscrr. from 361 B.C.

3. αἰέν, Il. 1.290, al. (ἆεν is v.l. in Il. 11.827), Pi. N. 6.3, Sophr. 90, A. Pr. 428, Ag. 891, S. Aj. 682.

4. Dor. αἰές, Ar. Lys. 1266, Bion Fr. 1.1; also ἀές, Tab.Heracl. 1.134.

5. Aeol. αἶι (ν), ἄιν, Hdn.Gr.l.c.; cf. IG 9(2).461 (ἄϊν, Thess.), SIG 58 (Milet.), and v. ἀϊπάρθενος, ἀείδασμος.

6. αἰέ, Hdn.Gr.l.c.

7. ἀέ, Pi. P. 9.88, Pisand. 11 (ᾰἐ); cf. ἀέ-ναος.

8. Boeot. ἠί, Hdn. Gr.l.c.

9. Tarent. αἰή, ibid.

II τὸ ἀ. eternity, τὸ ἀ. τοῦτο οὐκ αἰώνιόν ἐστιν ἀλλὰ χρονικόν Procl. Inst. 198. The statement of Harp. that ἀεί = ἕως in Att. is based on misinterpretation of such phrases as ἐς τόνδε αἰ. τὸν πόλεμον Th. 1.18. (αἰϝεί Epigr.Gr. 742, GDI 60.31 (Cypr.), IG 9(1).334.4 (Locr.), cf. Lat. aevum.)

Thayer's Expanded Definition

ἀεί (see αἰών, adverb (from Homer down), always;

1. perpetually, incessantly: Acts 7:51; 2 Corinthians 4:11; 2 Corinthians 6:10; Titus 1:12; Hebrews 3:10.

2. invariably, at any and every time when according to the circumstances something is or ought to be done again: Mark 15:8 (T WH omit) (at every feast); 1 Peter 3:15; 2 Peter 1:12.

Thayer's Expanded Greek Definition, Electronic Database.
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All rights rserved. Used by permission.
Abbott-Smith Manual Greek Lexicon of the New Testament

ἀεί ,


[in LXX: Isaiah 42:14 (H5769) Isaiah 51:13 (H8548), (Psalms 95:10), al.;]


1. of continuous time, unceasingly, perpetually: Acts 7:51, 2 Corinthians 4:11; 2 Corinthians 6:10, Titus 1:12 Hebrews 3:10,

2. Of successive occurrences, on every occasion (MM, VGT, s.v.): 1 Peter 3:15, 2 Peter 1:12.†

Abbott-Smith Manual Greek Lexicon of the New Testament.
Copyright © 1922 by G. Abbott-Smith, D.D., D.C.L.. T & T Clarke, London.
Vocabulary of the Greek NT

It may be well to note that ἀεί, whose oldest form is αἰ ϝ εί, is the locative of a neuter noun identical with Lat. aevom : αἰών is the same word in a different declension. The papyrus form is ἀεί, as Mayser shows, p. 103 f. : αἰεί, which Brugmann Griech. Gram..4 p. 57 thinks to be re-formed under the influence of αἰών, crept in after the Ptolemaic period. It occurs however as early as B.C. 22 in the new parchment from Avroman in Western Media (Saïd Khan 2a.9 ), described by E. II. Minns at the Hellenic Society (Nov. II, J 9 J 3) τε ̣λέουσι δ ̕ αἰεὶ κατ ̕ ἐνιατ ̣[ ]ν ̣ κτλ. It figures in the standing formula of the Decian libelli (A. D. 250) : as P Kyi II. 112 a.4 , b.6 , c.5. The word comes most frequently in similar formal phrases, like ἐπὶ or εἰς τὸν ἀεὶ χρόνον (e. g. P Oxy III. 503.20 — A.D. 118, or P Lips I. 3i. 8 — A.D. 256), or in the stiff language of legal documents, as BGU IV. 1108.26 (B.C. 5) etc. It only occurs in this one place in BGU I.- IV. : in P Oxy I.-X. its total is 7, for the nonliteraiy texts, and of these only two (iii/ or ii/iii A.D.) are dissociated from formulae. It may be seen also eight times in CPR in a standing formula. It is significant in this connexion that it is greatly outnumbered in NT by πάντοτε, which replaces it in MGr. Note the petition P Ryl II. 114.26 (c. A. D. 280) οἰκίωται. . τῷ Σ. [ἐμὲ τη ̀ν χηρὰ ]ν ̣ . . ἀεὶ ἀποστερει ̑ν, " it has become a habit with S. on all occasions to rob me " (Edd.).




The Vocabulary of the Greek New Testament.
Copyright © 1914, 1929, 1930 by James Hope Moulton and George Milligan. Hodder and Stoughton, London.
Derivative Copyright © 2015 by Allan Loder.
List of Word Forms
αει αεί ἀεὶ αενάων αένναος αεργός αεργού αεργών aei aeì
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