Lexical Definition

‎συνέχω‎ synéchō (soon-ekh'-o) to hold/oppress ^G:V
from ‎σύν‎ and ‎ἔχω‎

constrain, hold, keep in, press, lie sick of, stop, be in a strait, straiten, be taken with, throng.

• to hold together, i.e. to compress (the ears, with a crowd or siege) or arrest (a prisoner)
• figuratively, to compel, perplex, afflict, preoccupy

Abbott-Smith

συν-έχω [in LXX for עצר, חבר, etc. ;]
1. to hold together (τ. συνέχον τ. πάντα, Wi 1:7): of closing the ears, Ac 7:57 (τ. στόμα, Is 52:15); to hem in, press on every side: Lk 8:45 19:43.
2. to hold fast;
(a) of a prisoner, to hold in charge (Luc.; cf. exx. in Deiss., BS, 160; MM, xxiv): Lk 22:63;
(b) to constrain: II Co 5:14; pass., Lk 12:50, Ac 18:5 (τ. λόγῳ; cf. Field, Notes, 128), Phl 1:23; in pass., of ills, to be seized or afflicted by, suffering from: Mt 4:24, Lk 4:38 8:37, Ac 28:8.†

Abbott-Smith References

Liddell-Scott-Jones

συνέχω,

aorist συνέσχον:—middle, future συνέξομαι in passive sense, [Refs 5th c.BC+]:—passive, aorist συνεσχέθην [Refs 4th c.BC+]: future infinitive συσχεθήσεσθαι [Refs 1st c.BC+] W.:—hold or keep together, confine, secure, ὅθι ζωστῆρος ὀχῆες χρύσειοι σύνεχον [θώρηκα] [Refs 8th c.BC+]; ἵνα τε ξυνέχουσι τένοντες ἀγκῶνος where the sinews of the elbow hold [it] together, [Refs]meet, see below [Refs]; Ὠκεανός.. συνεῖχε σάκος enclosed, compassed it, [Refs 8th c.BC+]; Αἴτνα σ. [Τυφῶνα] [Refs 5th c.BC+]; τὼ μηρὼ σ. hold them together, [Refs 5th c.BC+]; συνέσχον τὰ ὦτα αὐτῶν closed or stopped their ears, [NT]; μηδὲ συσχέτω ἐπ᾽ ἐμὲ φρέαρ τὸ στόμα αὐτοῦ let not the pit close its mouth upon me, [LXX]; τὸ δέρμα σ. [τὰ ὀστᾶ] [Refs 5th c.BC+]; Ἄτλας ἅπαντα σ[LXX]passive, τὸ λεγόμενον ἐν φρέατι συσχόμενος” trapped in a well, [Refs 5th c.BC+]; ὁ καρπὸς.. ἂν μὴ πλυθῇ.. συνέχεται sticks together, [Refs 4th c.BC+]; τὸ στόμα οὐ συνεσχέθη ἔτι my mouth was no longer closed, [LXX]

__2 keep together, keep from dispersing, στράτευμα, δύναμιν, [Refs 5th c.BC+]; continue, keep on, μὴ πλείους πέντε ἡμερῶν σύσχῃς τὸ ὕδωρ (the flooding) [Refs 3rd c.BC+]; keep, τοὺς πολίτας σ. ἐν τοῖς ὅπλοις [Refs 1st c.AD+]; preserve, οἱ ἅλες ἐπὶ πλεῖστον [τὰ σώματα] συνέχοντες [Refs 1st c.AD+]; maintain, σ. τοὺς στρατιώτας ἐκ τῶν ἱεροσυληθέντων λειψάνων [Refs 1st c.BC+]:—passive, to be continuous, [Refs 4th c.BC+]; to be maintained, πᾶσα ἕξις.. ὑπὸ τῶν καταλλήλων ἔργων συνέχεται καὶ αὔξεται [Refs 2nd c.AD+]
__2.b of social and political order, σ. πόλεις keep states together, keep them from falling to pieces, maintain them, [Refs 5th c.BC+]; καὶ θεοὺς καὶ ἀνθρώπους ἡ κοινωνία σ. [Refs 5th c.BC+]; ἐν οἴνῳ τὰς ἀρχὰς συνεῖχε conducted the government over wine, [συνέχων 5th-6th c.BC: Xenophon Historicus “Memorabilia” 4.3.13, cf. LXX.Wis.1.7 ">LXX+5th c.BC+]; ξ. τὴν εἰρεσίαν keep the rowers together, make them pull in time, [Refs 5th c.BC+]:—passive, μετ᾽ ἀλλήλων συνέχεσθαι [Refs 5th c.BC+]
__2.c keep together in friendship, ἁμέ [Refs 5th c.BC+]:—passive, τὸ ὂν συνέχεται.. φιλίᾳ [Refs 5th c.BC+]
__2.d passive also, engage in close combat, ἐγχειριδίοισι [Refs 5th c.BC+]; of sexual intercourse, [Refs 4th c.BC+]
__2.e occupy or engage, ἑαυτὸν ἐν γυναιξὶ καὶ θιάσοις [Refs 1st c.AD+]
__3 contain, comprise, embrace, εἷς λόγος πάσας τὰς αἰσθήσεις σ. [Refs 5th c.BC+]; τὸ συνέχον the chief matter, [Refs 2nd c.BC+] the chief reason for.. , [Refs 2nd c.BC+]; τῆς σωτηρίας the chief means of.. , [Refs]; τὰ σ. τῶν ἐγγράπτων the chief clauses, [Refs] —passive, τὸν πρὸς τῇ ὑπεκλύσει πυρετὸν ὑπ᾽ ἄλλης αἰτίας συνέχεσθαι is chiefly caused (compare συνεκτικός) by.., [Refs 2nd c.AD+]
__4 detain, τὰς καμήλους ἐν τῇ Νεχθενίβιος (i.e. κώμῃ) [Refs 3rd c.BC+]; sequestrate, [Refs 3rd c.BC+]; keep under arrest, [NT+3rd c.BC+]:—passive, συνέχομαι ἐμ φυλακῇ [Refs 3rd c.BC+], etc.; of things held as security, [Refs 3rd c.BC+]
__5 constrain or force one to a thing, ἡ ἀγάπη τοῦ Χριστοῦ σ. ἡμᾶς [NT]; oppress, [NT+2nd c.AD+]passive, συνέχεσθαί τινι to be constrained, distressed, afflicted, and, generally, to be affected by anything whether in mind or body, πατρὶ συνείχετο.. χαλεπῷ [Refs 5th c.BC+]; σ. πολέμῳ, δουληΐῃ, [Refs 5th c.BC+]; δίψῃ, πόνῳ, [NT+5th c.BC+]; τῷ λόγῳ (variant{πνεύματι}) [NT+1st c.BC+]; συνεχομένη τῇ συνειδήσει[LXX]
__6 constrain, hinder, hold back, [Refs 5th c.BC+]; σύσχῃ τὸν οὐρανόν shut up the heaven, [LXX]; συνεσχέθη ὁ ὑετὸς ἀπὸ τοῦ οὐρανοῦ[LXX]; συνεσχέθη ἡ θραῦσις ἐπάνωθεν Ἰσραήλ the plague was stayed from Israel,[LXX+2nd c.AD+]
__7 hold at the same time, δύο σχολάς [Refs 1st c.BC+]
__8 buy up and withhold, make a corner in, σῖτον [LXX]
__9 Grammars, σ. τὸ ἄρθρον to be accompanied by the article, [Refs 2nd c.AD+]
__10 συνέσχον I also received.. , [Refs 3rd c.AD+]
__II intransitive, meet, see[Refs 4th c.BC+]; πρός τι to be connected with, [Refs 2nd c.AD+]

_{LSJ Scripture Refs: Acts.7.57 ☩ LXX.Ps.68.15* ☩ LXX.Isa.52.16 ☩ LXX.Jer.2.13 ☩ LXX.Ezek.33.22 ☩ Luke.22.63 ☩ 2Cor.5.14 ☩ Luke.8.45 ☩ Luke.4.38 ☩ Acts.18.5 ☩ LXX.Jer.23.9 ☩ LXX.Deut.11.17 ☩ LXX.Gen.8.2 ☩ LXX.2Kgs.24.25 ☩ LXX.Prov.11.26}