Quick Definition
I am yoked with one different from myself
Strong's Definition
to yoke up differently, i.e. (figuratively) to associate discordantly
Derivation: from a compound of G2087 (ἕτερος) and G2218 (ζυγός);
KJV Usage: unequally yoke together with
Thayer's Greek Lexicon
ἑτεροζυγέω, ἑτεροζύγῳ; (ἑτερόζυγος yoked with a different yoke; used in Lev_19:19 of the union of beasts of different kinds, e. g. an ox and an ass), to come under an unequal or different yoke (Beza,impari jugo copulor), to be unequally yoked: τίνι (on the dative see Winers Grammar, § 31, 10 N. 4; Buttmann, § 133, 8), tropically, to have fellowship with one who is not an equal: 2Co_6:14, where the apostle is forbidding Christians to have contact with idolaters.
Mounce Concise Greek Dictionary
ἑτεροζυγέω heterozygeō 1x
to be unequally yoked or matched, 2Co_6:14
Abbott-Smith Greek Lexicon
*† ἑτερο -ζυγέω , -ῶ ,
[in LXX cf. ἑτερόζυγος , Lev_19:19 ( H3360 ) * ;]
to be unequally yoked: metaph ., c. dat. pers ., 2Co_6:14 .†
Moulton & Milligan — Vocabulary of the Greek NT
ἑτεροζυγέω [page 257]
For the use of the corr. adj. in the LXX ( Lev_19:19 ) Herwerden Lex. s.v. compares Philo Princ. 11 init. (= II. p. 369 ed. Mangey) κτήνη ἑτερόζυγα .
Liddell-Scott — Intermediate Greek Lexicon
ἑτεροζυγέω ἑτεροζυ^γέω, "to be yoked in unequal partnership" with another, NTest. [Etym: from ἑτερόζυ^γος]
STEPBible — Tyndale Abridged Greek Lexicon
ἑτερο-ζυγέω, -ῶ
[in LXX cf. ἑτερόζυγος, Lev.19:19 (יְקַמְעָם)* ;]
to be unequally yoked: metaphorically, with dative of person(s), 2Co.6:14.†
(AS)