Liddell-Scott-Jones

τυραννέω (turanneō) be sovereign ^G:V

τυραννέω-εύω

and τυραννέω-έω, the former always in [Refs 5th c.BC+] and found in [Refs 7th c.BC+], more frequently in aorist: future -εύσω[Refs 5th c.BC+]: aorist ἐτυράννευσα [Refs 6th c.BC+], etc., -ησα [Refs 5th c.BC+]: perfect τετυράννευκα [Refs 5th c.BC+]:—passive, future -ηθήσομαι[Refs 4th c.BC+]; but middle τυραννήσομαι in passive sense, [Refs 4th c.BC+]: aorist ἐτυραννεύθην [Refs 5th c.BC+] Plato Philosophus (see. below), -ήθην [Refs 1st c.BC+]:—to be a monarch, absolute ruler, and in aorist to become such, [Refs 5th c.BC+]: in Poets, to be a prince or princess, [Refs 5th c.BC+]

__2 with genitive, to be ruler of a people or place, τ. Ἀθηνῶν [Refs 6th c.BC+]; Σαρδίων, Μιλήτου, Ἀθηναίων, Μήδων, [Refs 5th c.BC+]; χθονός, γαίας, [Refs 5th c.BC+]; τᾶς πόλιος (i.e. Eresus) [Refs 4th c.BC+]: metaphorically, [Κύπρις] Διὸς τυραννεῖ πλευμόνων [Refs 5th c.BC+]
__3 with accusative, τὸ συμπόσιον [Refs 2nd c.AD+]; Μεσσήνην falsa lectio (codex S) in [Refs 4th c.BC+]:— passive, to be under the sway of τύραννοι, [Refs 5th c.BC+]
__II to be of a tyrannical disposition, be imperious, [Refs]