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Bible Lexicons

Old & New Testament Greek Lexical DictionaryGreek Lexicon

Strong's #52 - ἄγνοια

from (G50)
Parts of Speech
Noun Feminine
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  1. lack of knowledge, ignorance
    1. esp. of divine things
    2. of moral blindness
Hebrew Equivalent Words:
Strong #: 817 ‑ אָשָׁם (aw‑shawm');  819 ‑ אַשְׁמָה (ash‑maw');  5771 ‑ עָווֹן (aw‑vone', aw‑vone');  6588 ‑ פֶּשַׁע (peh'‑shah);  7684 ‑ שְׁגָגָה (sheg‑aw‑gaw');  
Frequency Lists
Verse Results
KJV (4)
Acts 2
Ephesians 1
1 Peter 1
NAS (4)
Acts 2
Ephesians 1
1 Peter 1
HCS (4)
Acts 2
Ephesians 1
1 Peter 1
BSB (4)
Acts 2
Ephesians 1
1 Peter 1
ESV (4)
Acts 2
Ephesians 1
1 Peter 1
WEB (4)
Acts 2
Ephesians 1
1 Peter 1
Liddell-Scott-Jones Definitions

ἄγνοιᾰ, ἡ, (v. γιγνώσκω)

I want of perception, ignorance, ἀγνοίᾳ A. Ag. 1596; ἀγνοίας ὕπο Supp. 499; ἣν ὑπ' ἀγνοίας ὁρᾷς whom seeing you pretend not to know, S. Tr. 419; ἀγνοίᾳ ἐξαμαρτάνειν X. Cyr. 3.1.38, cf. Th. 8.92, Ar. Av. 577, D. 9.64, etc.; opp. ἐπιστήμη, Pl. Tht. 199d, Arist. APr. 66b26; ἄ. κεϝότης ἐστὶ τῆς περὶ ψυχὴν ἕξεως Pl. R. 585b; δι' ἄγνοιαν πράττειν, opp. ἀγνοῶν, Arist. EN 1110b25: in Logic, ἡ τοῦ ἐλέγχου ἄ. ignoratio elenchi, ignorance of the conditions of a valid proof, Arist. SE 168a18, al.

II mistaken conduct, a mistake, D. 18.133, Ephesians 2:19, Plb. 27.2.2. [In Poets sts. ἀγνοίᾱ, S. Tr. 350, Ph. 129; old Att., acc. to Ael. Dion. Fr. 11, cf. Moer. 191; Ion. ἀγνοίη Phot. ]

Thayer's Expanded Definition

ἄγνοια, (ας, (from Aeschylus down), want of knowledge, ignorance, especially of divine things: Acts 17:30; 1 Peter 1:14; such as is inexcusable, Ephesians 4:18 (Wis. 14:22); of moral blindness, Acts 3:17. (Cf. ἀγνοέω.)

Thayer's Expanded Greek Definition, Electronic Database.
Copyright © 2002, 2003, 2006, 2011 by Biblesoft, Inc.
All rights rserved. Used by permission. BibleSoft.com
Abbott-Smith Manual Greek Lexicon of the New Testament

ἄγνοια , -ας ,

(< ἀγνοέω ),

[in LXX chiefly for H817, H7684;]

ignorance: Acts 3:17; Acts 17:30, Ephesians 4:18 (with sense of wilful blindness; cf MM, VGT, s.v.), 1 Peter 1:14.†

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

The connotation of wilful blindness, as in Ephesians 4:18, is found in P Tebt I. 24.33 (B.C. 117), where an official reports the misconduct of certain persons whose plans he had frustrated, so that λήγοντες τῆς ἀγνοίας they left the district. The writer had ἀνοίας first, and then added γ above the line. In the ordinary sense of inadvertence it is common : e.g. BGU IV. 1114.9 (B.C. 8–7) γέγονεν δὲ κατ᾽ ἄγνοιαν ει ̣̓ς ̣ τὸ ὁ κατάπλουςαὐτοῦ Κοίντου Καικιλίου Κάστορος ὄνομα. With a gen. the same phrase occurs in P Oxy VI. 923.9 (ii/iii A.D.) ἐπεὶ κατ᾽ ἄγνοιαν τῶν φροντίδων αὐτῶν ἠργάσατο, ib. I. 78.23 ff. (iii/A.D.) ἵν᾽ οὖν μὴ δόξω συνθέσθαι τῇ τοῦ πραγματικοῦ ἀγνοίᾳ ἐπιδίδωμι τὰ βιβλίδια κτλ. The simple dat. appears with same sense in P Flor II. 132.8 (iii/A.D.) ἔλε [ξ ]αν πεποιηκέναι ταῦτα ἀγνοίᾳ. For κατὰ ἄγνοιαν, as in Acts 3:17, see P Oxy II. 237viii. 36 (A.D. 186) ἵνα οἱ συναλλάσσοντες μὴ κατ᾽ α ̣̀γ ̣ν ̣ο ̣ιαν ἐνεδρεύονται, ";in order that persons entering into agreements may not be defrauded through ignorance"; (Edd.).


†In the print edition the phrase ὁ κατάπλους is on a separate line directly above τὸ.


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
αγνοια αγνοία άγνοια ἀγνοίᾳ αγνοιαν άγνοιαν ἄγνοιαν αγνοιας αγνοίας ἀγνοίας agnoia agnoíāi agnoian ágnoian agnoias agnoías
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