Quick Definition
I laugh at, ridicule
Strong's Definition
to laugh down, i.e. deride
KJV Usage: laugh to scorn
Thayer's Greek Lexicon
καταγελάω, καταγέλω: imperfect 3 person plural κατεγέλων; to deride (A. V. laugh to scorn): τίνος, anyone (cf. Buttmann, § 132, 15), Mat_9:24; Mar_5:40; Luk_8:53. (From (Aeschylus and) Herodotus down; the Sept..)
Mounce Concise Greek Dictionary
καταγελάω katagelaō 3x
to deride, laugh at, jeer, Mat_9:24 ; Mar_5:40 ; Luk_8:53
Abbott-Smith Greek Lexicon
κατα -γελάω , -ῶ ,
[in LXX chiefly for H7832 , Job_5:22 , Pro_29:9 , al. ;]
to deride, laugh scornfully at: c . gen . pers ., Mat_9:24 , Mar_5:40 , Luk_8:53 .†
Moulton & Milligan — Vocabulary of the Greek NT
καταγελάω [page 325]
BGU III. 814 .21 (iii/A.D.) πάντες καταγελω̣σί μοι so a soldier writes complainingly to his mother, because his father had visited him, but given him no gifts. Syll 802 .122 (iii/B.C.) αἰσχυνόμενος δ [ὲ ἅτε ] καταγελάμενος ὑπ [ὸ ] τῶν ἄλλων ἐνε [κάθε ]υδε with reference to a man who, having no hair on his head, sought healing in the temple of Aesculapius at Epidaurus : cf. ib. .35 διεγέλα , which is perfective like κατεγέλων in Mar_5:40 .
Liddell-Scott — Intermediate Greek Lexicon
καταγελάω fut. άσομαι Pass., perf. -γεγέλασμαι "to laugh at, jeer or mock at", c. gen., Hdt. , Ar. , etc.; also c. dat., Hdt. :—absol. "to laugh scornfully", Eur. , Ar. , etc. c. acc. "to laugh down, deride", Eur. : —Pass. "to be derided", Aesch. , Ar. , etc.
STEPBible — Tyndale Abridged Greek Lexicon
κατα-γελάω, -ῶ
[in LXX chiefly for שָׂחַק, Job.5:22, Pro.29:9, al. ;]
to deride, laugh scornfully at: with genitive of person(s), Mat.9:24, Mrk.5:40, Luk.8:53.†
(AS)