Quick Definition
ὀφειλέτης, ου, ὁ n.m. a debtor, sinner
Strong's Definition
from 3784; an ower, i.e. person indebted; figuratively, a delinquent; morally, a transgressor (against God)
KJV Usage: debtor, which owed, sinner
UBS Dictionary of the Greek New Testament
noun, m. | -ου | ὀφείλω
71.27 · Mode · Should, Ought
one who is obliged to, one who is obligated to, one who must (derivative of ὀφείλω[c] ‘to be under obligation,’ 71.25) one who is obligated to do something
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ὀφειλέτης, -ov, 6, (ὀφείλω), one who owes another, a deblor: prop. of one who owes another money (Plat. lege. 5, 736d.; Plut.; al.); with a gen. of the sum due, Mt. xviii. 24. Metaph. a. one held by some obligation, bound to some duty: ὀφειλέτης εἰμί, i. q. ὀφείλω, foll. by an inf., Gal. v. 3 (Soph. Aj. 590); ὀφειλ. εἰμί τινος, to be one’s debtor i.e. under obligations of gratitude to him for favors received, Ro. xv. 27; τινί (dat. commodi), to be under obligation to do something for some one, Ro. i. 14; viii. 12. b. one who has not yet made amends to one whom he has injured: Mt. vi. 12; in imitation of the Chald. 3°n, one who owes God penalty or of whom God can demand punishment as something due, i. e. a sinner, Lk. xiii. 4.
Mounce Concise Greek Dictionary
ὀφειλέτης opheiletēs 7x
a debtor, one who owes, Mt. 18:24; met. one who is in any way bound, or under obligation to perform any duty, Rom. 1:14; 8:12; 15:27; Gal. 5:3; in NT one who fails in duty, a delinquent, offender, Mt. 6:12; a sinner, Lk. 13:4, cf. v. 2*
Abbott-Smith Greek Lexicon
* ὀφειλέτης, -ου, ὁ
(< ὀφείλω),
a debtor: c. gen. (of the amount), Mt 18:24. Metaph., of obligation or duty in general, with reference to favours received or injury done, etc.: Mt 6:12, Ro 1:14 8:12 15:27, Ga 5:3; of sinners, in relation to God (= Heb. חַיָּב; cf. Si (He) 8:5 (6)), Lk 13:4.†
Moulton & Milligan — Vocabulary of the Greek NT
ὀφειλέτης. In a Christian amulet of ¢. vi/a.D., BGU III. 954398. (= Selections, p. 133 f.) the petition of the Lord’s Prayer is found in the form—&des ἡμῖν τὰ ὀφειλ[ ἡματα ἡμῶν [κα]θὰ καὶ ἡμεῖς ἀφεί --ο-- [μεν] τοῖς ὀφει[λέταις ἡμῶν. On the frequency of the metaphor in Rom, see Ramsay Lue, p. 286.
Liddell-Scott-Jones — Greek-English Lexicon
ὀφειλέτης (opheiletēs) — debtor. ὀφειλ-έτης, ου, ὁ, debtor, τινι [Refs 5th c.BC+]; ὀ. εἰμί with infinitive, I am under bond to.., [NT+5th c.BC+]: —feminine ὀφειλ-έτις, ιδος, [Refs 5th c.BC+]