Lexical Definition

‎ἔξω‎ éxō (ex'-o) out/outside(r) ^G:PREP
adverb from ‎ἐκ‎

away, forth, (with-)out (of, -ward), strange.

• out(-side, of doors), literally or figuratively

Abbott-Smith

ἔξω adv. (< ἐξ), [in LXX for חוּץ ;]
1. outside, without;
(a) adverbially: Mt 12:46, Mk 3:31 11:4, Lk 8:20, Jo 18:16, al.; c. art., ὁ ἔ., he who is without; metaph., in pl., οἱ ἔ., of those outside the Church, I Co 5:12, 13, Col 4:5 (Lft., in l), I Th 4:12; ὁ ἔ. ἄνθρωπος, II Co 4:16; αἱ ἔ. πόλεις, Ac 26:11;
(b) as prep. c. gen.: Lk 13:33, Ac 21:5, He 13:11, 12
2. After verbs of motion;
(a) adverbially, forth, out: Mt 5:13 Mk 14:68, Lk 22:62, Jo 6:37 19:4, 13, Ac 9:40, al.;
(b) as prep. c. gen., out of: Mt 21:17, Mk 11:19 12:8, Lk 4:29, Ac 7:58, He 13:13, al

Abbott-Smith References

Liddell-Scott-Jones

ἔξω,

adverb of ἐξ, as εἴσω of εἰς:

__I of Place,
__I.1 with Verbs of motion, out or out of, ἔ. ἰών [Refs 8th c.BC+]; ἔ. τοὺς χριστιανούς (i.e. φέρε) [Refs 2nd c.AD+]
__I.1.b as preposition, with genitive, ἔ. χροὸς ἕλκε [Refs 8th c.BC+]; ἔ. or γῆς ἔ. βαλεῖν, [Refs 8th c.BC+] sailing outside the H., [Refs 5th c.BC+]
__I.2 without any sense of motion, outside, [Refs 8th c.BC+]; τὸ ἔ. the outside, [Refs 5th c.BC+]; τὸ ἔ. τῶν ὀμμάτων their prominency, [Refs 5th c.BC+]; τὰ ἔ. things outside the walls or house, [Refs 5th c.BC+]; external things, [Refs 5th c.BC+]; τὰ ἔ. πράγματα foreign affairs, [Refs 5th c.BC+]; οἱ ἔ. those outside, [Refs]; of exiles, [Refs 5th c.BC+] (but in NT, the heathen, [NT+5th c.BC+]; ἡ ἔ. θάλασσα, opposed to ἡ εἴσω, [Refs 2nd c.AD+]; ἔ. τὴν χεῖρα ἔχειν keep one's arm outside one's cloak, [Refs 4th c.BC+]
__I.2.b as preposition, with genitive, οἱ ἔ. γένους, opposed to τὰ ἐγγενῆ, [Refs 5th c.BC+]; ἔ. τοξεύματος out of range of arrows, [Refs 5th c.BC+]; ἔ. βελῶν, τῶν β., [Refs 5th c.BC+]; ἔ. τοῦ πολέμου unconcerned with the war, [Refs 5th c.BC+]; τῶν ἔ. τοῦ πράγματος ὄντων persons unconcerned in the matter, [Refs]; πράξεις ἔ. τῆς ὑποθέσεως λεγομένας away from the subject, [Refs 5th c.BC+]; ἔ. τοῦ δικαστηρίου [ἔπαινοι] [Refs 2nd c.AD+]; ἔ. λόγου τίθεσθαι, θέσθαι, [Refs 1st c.AD+]; ἔ. πάτου ὀνόματα out-of-the-way words, [Refs 2nd c.AD+]; ἔ. πίστεως beyond belief, [Refs]; ἔ. φρενῶν out of one's senses, [Refs 5th c.BC+]; οὐδὲν ἔ. τοῦ φυτεύσαντος δρᾷς unlike thy sire, [Refs 5th c.BC+]; ἔ. τῆς ἀνθρωπείας.. νομίσεως alien to human belief, [Refs 5th c.BC+] keep clear of difficulties, [Refs 5th c.BC+]
__II of Time, beyond, over, ἔ. μέσου ἡμέρας [Refs 5th c.BC+]
__III without, except, with genitive, ἔ. σεῦ [Refs 5th c.BC+]besides.., [Refs 5th c.BC+]; ἔ. τοῦ ἐφθακέναι ἀδικοῦντες except the being first to do wrong, Epist. Philipp. cited in [Refs 4th c.BC+]
__IV τὰ κατὰ τὸν Φίλιππον ἔ. τελέως ἐστί, Philip is 'played out', [Refs 2nd c.BC+] — Cf. ἐξωτέρω, -τάτω.

_{LSJ Scripture Refs: 1Cor.5.12}