Quick Definition
destruction, decay, corruption
Strong's Definition
decay
Derivation: from G1311 (διαφθείρω);
KJV Usage: corruption
Thayer's Greek Lexicon
διαφθορά, διαφθορᾶς, ἡ (διαφθείρω), corruption, destruction; in the N. T. that destruction which is effected by the decay of the body after death: Act_2:27; Act_2:31; Act_13:34-37 (cf. Winers Grammar, § 65, 10), see εἰδῶ, I 5 and ὑποστρέφω, 2. (the Sept. for ωΘΡηΗϊ; in Greek writings from Aeschylus down.)
Mounce Concise Greek Dictionary
διαφθορά diaphthora 6x
corruption, dissolution, Act_2:27 ; Act_2:31 ; Act_13:34-37
Abbott-Smith Greek Lexicon
δια -φθορὰ , -ᾶς , ἡ
( < διαφθείρω ),
[in LXX chiefly for H7843 , and cogn . forms;]
1. destruction .
2. corruption (physical or moral): of the grave, Act_2:27 ( LXX ), Act_2:31 ; Act_13:34-37 .†
Liddell-Scott — Intermediate Greek Lexicon
διαφθορά [Etym: from διαφθείρω] (n diafqor h_hs,fem ) "destruction, ruin, blight, death." Hdt. , attic in moral sense, "corruption", τῶν νέων Xen. in pass. sense, ἰχθύσιν διαφθ. "a prey" for fishes, Soph. ; πολεμίοις δ. Eur.
STEPBible — Tyndale Abridged Greek Lexicon
δια-φθορὰ, -ᾶς, ἡ
(διαφθείρω), [in LXX chiefly for שָׁחַת, and cogn. forms ;]
__1. destruction.
__2. corruption (physical or moral): of the grave, Act.2:27 (LXX), Act.2:31 13:34-37.†
(AS)