Quick Definition
πλεονέκτης, ου, ὁ n.m. a covetous person
Strong's Definition
from 4119 and 2192; holding (desiring) more, i.e. eager for gain (avaricious, hence a defrauder)
KJV Usage: covetous
UBS Dictionary of the Greek New Testament
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
πλεονέκτης, -ov, 6, (πλέον and χω); 1. one eager to have more, esp. what belongs to others ({[Thue. 1, 40, 1 (cf. Hdt. 7, 158)]; Xen. mem. 1, 5, 3) ; 2. greedy of gain, covetous: 1 Co. v. 10,11; vi. 10; Eph. v. 5; Sir. xiv. 9.
Mounce Concise Greek Dictionary
πλεονέκτης pleonektēs 4x
one who has or claims to have more than his share; a covetous, avaricious person, one who defrauds for the sake of gain, 1 Cor. 5:10, 11; 6:10; Eph. 5:5*
Abbott-Smith Greek Lexicon
** πλεονέκτης, -ου, ὁ
(< πλέον, ἔχω), [in LXX: Si 14:9*;] = ὁ θέλων πλέον ἔχειν (v. MM, xx),
one desirous of having more, covetous: I Co 5:10, 11 6:10, Eph 5:5.†
Moulton & Milligan — Vocabulary of the Greek NT
πλεονέκτης, ““covetous”’: cf. P Magd § recto? (B.c. 221) πλεονέκτης ὦν. The adv. πλεονεκτικῶς occurs in OG/S 665" (a.p. 48) ὑπὸ τῶν πλεονεκτικῶς Kal ἀναιδῶς ταῖς ἐξουσίαις ἀποχρωμένων. On the fragment of a vellum leaf, P Oxy XV. 1828 recto’, belonging probably to iii/A.D., and containing ethical instructions, reference is made to ὁ Ψψε]ύστης καὶ ὃ πλεονέκτης [kal ὁ ἀποστε]ρητής.
Liddell-Scott-Jones — Greek-English Lexicon
πλεονέκτης (pleonektēs) — greedy. πλεονέκτ-ης, ου, ὁ, ={ὁ πλέον ἔχων}, one who has or claims more than his due, greedy, grasping, [Refs 5th c.BC+] adjective λόγος π. a greedy, arrogant speech, [Refs 5th c.BC+]: superlative πλεονεκτίστατος [Refs 5th c.BC+]
2. ἐν παντὶ πλεονέκτην τῶν πολεμίων making gain from their losses, [Refs]
3. metaphorically in in Mathematics texts, of τὸ ὑπερτελές, [Refs 4th c.AD+]