Quick Definition
συνωμοσία, ας, ἡ n.f. a conspiracy, plot
Strong's Definition
a swearing together, i.e. (by implication) a plot
Derivation: from a compound of G4862 (σύν) and G3660 (ὀμνύω);
KJV Usage: comspiracy
UBS Dictionary of the Greek New Testament
noun, f. | -ας | ὀμνύω
30.73 · Think · To Intend, To Purpose, To Plan
conspiracy, plot a plan for taking secret action against someone or some institution, with the implication of an oath binding the conspirators
1 ACT 23:13 It is possible that συνωμοσία (30.73) in ACT 23:13 is only a stylistic variant for συστροφή (30.72) in ACT 23:12. Obviously the reference in both instances is to the same event.
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
συνωμοσία, -as, 7, (συνόμνυμι), fr. Arstph. and Thue. down, a swearing together; a conspiracy: συνωμοσίαν ποιεῖν (see ποιέω, I. 1 c. p. 525" top), Acts xxiii. 13 Ree. ; ποιεῖσθαι (see ποιέω, I. 3), ibid. LT Tr WH
Mounce Concise Greek Dictionary
συνωμοσία synōmosia 1x
a banding by oath; a combination, conspiracy, Acts 23:13*
Abbott-Smith Greek Lexicon
** συνωμοσία, -ας, ή
(συνόμνυμι, to conspire), [in Sm.: Ez 22:25 * ;]
a conspiracy: Ac 23:13.†
Moulton & Milligan — Vocabulary of the Greek NT
Liddell-Scott-Jones — Greek-English Lexicon
συνωμοσία (sunōmosia) — plot. συνωμ-οσία (sometimes wrongly written συνομ-), ἡ: (συνόμνυμι):— being leagued by oath, conspiracy, [Refs 5th c.BC+]; ξ. δήμου καταλύσεως for putting down the democracy, [Refs 3rd c.BC+]; οἱ ἐν τῇ ξ. [Refs 5th c.BC+]; οἱ ἐκ τῆς σ. [Refs 1st c.AD+]; ἡ ἐπί τινα, ἡ κατά τινος σ., [Refs]
2. confederacy, ἡ πρὸς Ἀργείους γενομένη ξ. [Refs 5th c.BC+]
II. body of men leagued by oath, political union or club, [Refs 5th c.BC+]