Quick Definition
συναποθνῄσκω v. I die together with
Strong's Definition
to decease (literally) in company with, or (figuratively), similarly to
Derivation: from G4862 (σύν) and G599 (ἀποθνήσκω);
KJV Usage: be dead (die) with
UBS Dictionary of the Greek New Testament
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
συν-αποθνήσκω: 2 aor. συναπέθανον; to die together; with dat. of the pers. to die with one (Sir. xix. 10, and often in Grk. auth. fr. Hdt. down): Mk. xiv. 31; se. ὑμᾶς ἐμοί, that ye may die together with me, i.e. that my love to you may not leave me even were I appointed to die, 2 Co. vii. 3; sc. τῷ Χριστῷ (cf. W. 143 (136) ], to meet death as Christ did for the cause of God, 2 Tim. ii. 11.
Mounce Concise Greek Dictionary
συναποθνῄσκω synapothnēskō 3x
to die together with any one, Mk. 14:31; 2 Cor. 7:3; met. to die with, in respect of a spiritual likeness, 2 Tim. 2:11*
Abbott-Smith Greek Lexicon
** συν-απο-θνήσκω
[in LXX: Si 19:10 * ;]
to die with or together: Mk 14:31, II Co 7:3 (v. Meyer, in l.), II Ti 2:11.†
Moulton & Milligan — Vocabulary of the Greek NT
συναποθνήσκω. For this double compd. = ‘‘ die along with” in 2 Cor 7° (cf. Sir 19!°) Wetstein ed Δ. cites Athenaeus vi. 249 B τούτους δ᾽ of βασιλεῖς ἔχουσι συζῶντας Kal συναποθνήσκοντας. See also Cicero ad κί, vii. 20. 2.
Liddell-Scott-Jones — Greek-English Lexicon
συναποθνήσκω (sunapothnēskō) — to die with. συναπο-θνήσκω, die together with, τινι [NT+5th c.BC+]; συναποθνῄσκοντες, title of comedy by Diphilus, Ter.[Refs 5th c.BC+]; σ. νοσήματα, i.e. cling to one until death, [Refs 5th c.BC+]