Quick Definition
ἁγιωσύνη, ης, ἡ n.f. a holy or sanctified state
Strong's Definition
from 40; sacredness (i.e. properly, the quality)
KJV Usage: holiness
UBS Dictionary of the Greek New Testament
noun, f. | -ης | ἁγιάζω
88.25 · Moral and Ethical Qualities and Related Behavior · Holy, Pure
holiness, divine quality the quality of holiness as an expression of the divine in contrast with the human
53.45 · Religious Activities · Dedicate, Consecrate
dedication, consecration the state resulting from being dedicated to the service of God
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἁγιωσύνη [on the see reff. in ἀγαθωσύνη, init.], -ης, 7, a word unknown to prof. auth. [B. 73 (64)]; 1. (God’s incomparable) majesty, (joined to μεγαλοπρέπεια, Ps. xev. (xevi.) 6, cf. exliv. (exlv.) 5): πνεῦμα ἁγιωσύνης a spirit to which belongs ἁγιωσύνη, not equiv. to πνεῦμα ἅγιον, but the divine [?] spiritual nature in Christ as contrasted with his σάρξ, Ro. i. 4; cf. Riickert ad loc., and Zeller in his Theol. Jahrbb. for 1842, p. 486 sqq.; [yet cf. Mey. ad loc.; Gifford (in the Speaker’s Com.). Most commentators (cf. e. g. Ellic. on Thess. as below) regard the word as uniformly and only signifying holiness]. 2. moral purity: 1 Th. iii. 13; 2 Co. vii. 1.
Mounce Concise Greek Dictionary
ἁγιωσύνη hagiōsynē 3x
sanctification, sanctity, holiness, Rom. 1:4; 2 Cor. 7:1; 1 Thess. 3:13*
Abbott-Smith Greek Lexicon
† ἁγιωσύνη (cf. ἀγαθωσύνη), -ης, ἡ
(< ἅγιος), [in LXX: Ps 29 (30):4 96 (97):12 (קֹדֶשׁ), 95 (96):6 (עֹז), 144 (145):5 (הוֹד), II Mac 3:12*;]
holiness, the state in man resulting from ἁγιασμός, q.v.: Ro 1:4, II Co 7:1, I Th 3:13 (Cremer, 52; MM, VGT, s.v.).†
Liddell-Scott-Jones — Greek-English Lexicon
ἁγιωσύνη (hagiōsunē) — holiness. ἁγιωσύνη, ἡ, holiness, sanctity, [LXX+NT]
II. as title, [Refs 6th c.AD+]