Quick Definition
I make a distinction
Strong's Definition
to disjoin (by a boundary, figuratively, a party)
Derivation: from G575 (ἀπό) and a compound of G223 (Ἀλέξανδρος) and G3724 (ὁρίζω);
KJV Usage: separate
Thayer's Greek Lexicon
ἀποδιορίζω; (διορίζω, and this from ὅρος a limit); by drawing boundaries to disjoin, part, separate from another: Jud_1:19 (οἱ ἀποδιορίζοντες ἑαυτούς those who by their wickedness separate themselves from the living fellowship of Christians; if ἑαυτούς is dropped, with Rec.st G L T Tr WH, the rendering is making divisions or separations). (Aristotle, pol. 4, 4, 13 (p. 1290b, 25).)
Mounce Concise Greek Dictionary
ἀποδιορίζω apodiorizō 1x
pr. to separate by intervening boundaries; to separate or divide, Jud_1:19
Abbott-Smith Greek Lexicon
* ἀπο -δι -ορίζω
( < διορίζω , < ἅρος , a limit ),
to mark off , hence metaph . to make separations: Jud_1:19 ( Cremer , 806).†
Moulton & Milligan — Vocabulary of the Greek NT
ἀποδιορίζω [page 61]
The simplex (if we may so call what is already a compound) may be seen in Wόnsch AF 3 .25 (p. 12) (Carthage, leaden tablet) ἐξορκίζω ὑμᾶς κατὰ τοῦ ἐπάν [ω ] τοῦ οὐρανοῦ θεοῦ , τοῦ καθημενου ἐπὶ τῶν Χερουβί , ὁ διορίσας τὴν γῆν καὶ χωρίσας τὴν θάλασσαν : the writer has got enough Judaism to curse with. For his grammar cf. Proleg. p. 60 n. .1 .
Liddell-Scott — Intermediate Greek Lexicon
ἀποδιορίζω "to mark off by dividing, to separate", NTest.
STEPBible — Tyndale Abridged Greek Lexicon
ἀπο-δι-ορίζω
(διορίζω, ἅρος, a limit),
to mark off, hence metaphorically to make separations: Ju 19 (Cremer, 806).†
(AS)