Usage: 11 forms in 20 verses
Form Translated As     In Verse(s)
πολιορκούσι they assault LXX.Judg.9.31
πολιορκούντων assaulting LXX.Judg.2.18
πολιορκούντα while assaulting LXX.Isa.37.8
πολιορκουμένη being assaulted LXX.Isa.1.8 • LXX.Isa.27.3
πολιορκήσουσιν shall assault LXX.Jer.19.9
πολιορκήσουσι they shall assault LXX.Isa.9.21
πολιορκήσαι to assault LXX.Isa.7.1 • LXX.Isa.37.9
πεπολιόρκημαι I have been assaulted LXX.Job.17.7
επολιόρκουν assaulted LXX.2Sam.20.15 • LXX.2Kgs.24.11
they assaulted LXX.Jer.39.1
they made assault LXX.2Kgs.16.5
επολιόρκησεν assaulted LXX.2Kgs.17.4 • LXX.2Kgs.17.5
επολιόρκει assaulted LXX.Josh.10.31 • LXX.2Kgs.18.9 • LXX.Dan.1.1
they assaulted LXX.Josh.10.29

Liddell-Scott-Jones

πολιορκέω (poliorkeō) to assault G:V

πολιορκέω-έω,

future -ήσω[Refs 5th c.BC+]:aorist -ησα[Refs 5th c.BC+]:—passive, future -ηθήσομαι[Refs 5th c.BC+]; in middle form -ήσομαι, [Refs 5th c.BC+]: aorist ἐπολιορκήθην [Refs 5th c.BC+]perfect πεπολιόρκημαι (ἐκ-) [Refs 5th c.BC+]: (πόλις, ἕρκος):—besiege, [Refs 5th c.BC+]; οἱ πολιορκοῦντες the besiegers, opposed to οἱ κατακεκλειμένοι, [Refs 5th c.BC+]:—passive, to be besieged, in a state of siege, [Refs 5th c.BC+]; also of a fleet, to be blockaded, [Refs 5th c.BC+]; of Scamander, to be blocked, dammed back, ὑπὸ Ἀχιλλέως [Refs 5th c.BC+]

__2 metaphorically, π. τῆς ψυχῆς τὸ φρόνημα [Refs 3rd c.AD+]:—passive, to be besieged, pestered, ὑπὸ τῶν συκοφαντῶν -ούμενοι πολιορκίαν [Refs 5th c.BC+]; of a banker, π. περὶ ἀργυρίου [Refs 3rd c.BC+]: in Medicine, to be blocked, [Refs 1st c.AD+]