Quick Definition
a deluge, flood
Strong's Definition
an inundation
Derivation: from G2626 (κατακλύζω);
KJV Usage: flood
Thayer's Greek Lexicon
κατακλυσμός, κατακλυσμοῦ, ὁ (κατακλύζω), inundation, deluge: of Noah's deluge, Mat_24:38; Luk_17:27; 2Pe_2:5. (the Sept. for ξΗαΜεΜμ); Plato, Diodorus, Philo, Josephus, Plutarch.)
Mounce Concise Greek Dictionary
κατακλυσμός kataklysmos 4x
flood, deluge, Mat_24:38-39 ; Luk_17:27 ; 2Pe_2:5
Abbott-Smith Greek Lexicon
κατα -κλυσμός , -οῦ , ὁ
( <κατακλύζω ),
[in LXX chiefly for H3999 , Gen_6:17 , al. ; also for H7858 , Psa_32:6 , al. ;]
a flood, deluge: Mat_24:38-39 Luk_17:27 , 2Pe_2:5 .†
Moulton & Milligan — Vocabulary of the Greek NT
κατακλυσμός [page 327]
κατακλυσμός is supplied by the editor in BGU IV. 1121 .27 (B.C. 5) ἐὰν δὲ συμβῇ α̣ὐ̣τ̣ο̣ι̣ͅς̣ πρ . . . . . . . . ἔφοδον γενέσθαι ἢ [κατακλυσμὸν ἢ ξυλείας ] ἐκκοπήν . The word survives in MGr = inundation, flood.
Liddell-Scott — Intermediate Greek Lexicon
κατακλυσμός κατακλυσμός, οῦ, "a deluge, inundation": metaph., Dem.
STEPBible — Tyndale Abridged Greek Lexicon
κατα-κλυσμός, -οῦ, ὁ
(κατακλύζω), [in LXX chiefly for מַבּוּל, Gen.6:17, al.; also for שֶׁטֶף, Psa.32:6, al. ;]
a flood, deluge: Mat.24:38-39 Luk.17:27, 2Pe.2:5.†
(AS)