Quick Definition
ἀδιαφθορία, ας, ἡ n.f. incorruptibility, soundness, integrity
Strong's Definition
from a derivative of a compound of 1 (as a negative particle) and a derivative of 1311; incorruptibleness, i.e. (figuratively) purity (of doctrine)
KJV Usage: uncorruptness
UBS Dictionary of the Greek New Testament
noun, f. | -ας | ἀ- + φθείρω
88.43 · Moral and Ethical Qualities and Related Behavior · Honesty, Sincerity
integrity, sincerity the quality of integrity as an expression of moral soundness
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἀ-δια-φθορία, -as, ἡ, (fr. ἀδιάφθορος incorrupt, incorruptible; and this from ἀδιαφθείρω), incorruptibility, soundness, integrity: of mind, ἐν τῇ διδασκαλίᾳ, Tit. ii. 7 (LT Tr WH ἀφθορίαν). Not found in the classics.
Moulton & Milligan — Vocabulary of the Greek NT
ἀφθορία In P Tebt II. 4041 (late iii/A.p.) what seems to be the heading of a set of accounts runs Adyo[s] ἀφέσεως στατήρων pA: the editors render “expenditure (9). It should also be noted that the word was a fer. ‘echn. in astrology: see index to Vettius, p. 377. Thus p. 22516 χρὴ Tats λοιπαῖς τῶν ἀστέρων ἀφέσεσι καὶ μαρτυρίαις καὶ ἀκτινοβολίαις προσέχειν. See also Abbott Joh. Voc. p. 178 f., with a correction in Fourfold Gospel, p. 59.
Liddell-Scott-Jones — Greek-English Lexicon
ἀδιαφθορία (adiaphthoria) — unspoilable. Related to: ἀδιά-φθορος, ον, not affected by decay, [Refs 2nd c.AD+]; uncorrupted, chaste, [Refs 5th c.BC+]. adverb -ρως, ἐρᾶσθαι[Refs 4th c.BC+]
2. of judges, incorruptible, [Refs 5th c.BC+]; of witnesses, [Refs 4th c.BC+]; of magistrates, [Refs]adverb -ώτατα Pl. [prev. cited]
II. imperishable, [Refs 5th c.BC+]