Quick Definition
the act of pollution, defilement
Strong's Definition
(morally) contamination (properly, the act)
Derivation: from G3392 (μιαίνω);
KJV Usage: uncleanness
Thayer's Greek Lexicon
μιασμός, μιασμοῦ, ὁ (μιαίνω), the act of defiling, defilement, pollution: ἐπιθυμία μιασμοῦ, defiling lust (Winer's Grammar, § 34, 3 b.), 2Pe_2:10. (Wis_14:26; 1Ma_4:43; Plutarch, mor., p. 393 c.; Test xii. Patr. (test. Lev_17:1-16; test. Benj. 8; Graecus Venetus (passim); Hermas, Past. sim. 5, 7, 2 [ET]).)
Mounce Concise Greek Dictionary
μιασμός miasmos 1x
pollution, corruption, defiling, 2Pe_2:10
Abbott-Smith Greek Lexicon
**† μιασμός , -οῦ , ὁ
( < μιαίνω ),
[in LXX : Wis_14:26 , 1Ma_4:43 * ;]
1. prop ., the act of defiling.
2. = μίασμα ( q.v. ) : 2Pe_2:10 ( cf. Plut ., Mor., 393c).†
Moulton & Milligan — Vocabulary of the Greek NT
μίασμα [page 412]
μίασμα , which in the NT occurs only in 2Pe_2:20 , is also found in Apoc. Petr. 9 τῷ μιάσματι τῆς μοιχείας . In the late Kaibel 1140 b. .3 (not before the time of Justinian) it is an epithet of Satan Βελιὰρ κ [ακό ]μορ [φ ]ε , . . . μ [ί ]ασμα , δράκων κτλ .
STEPBible — Tyndale Abridged Greek Lexicon
μιασμός, -οῦ, ὁ
(μιαίνω), [in LXX: Wis.14:26, 1Ma.4:43 * ;]
__1. prop., the act of defiling.
__2. = μίασμα (which see) : 2Pe.2:10 (cf. Plut., Mor., 393c).†
(AS)