Lexical Definition

‎πλεονεξία‎ pleonexía (pleh-on-ex-ee'-ah) greediness G:N-F
from ‎πλεονέκτης‎

covetous(-ness) practices, greediness.

Usage: 4 forms in 16 verses
Form Translated As     In Verse(s)
πλεονεξίασ covetousness Luke.12.15
desire for wealth LXX.Isa.28.8
for greed 1Thess.2.5
in craving 2Pet.2.14
πλεονεξίαν a desire for wealth LXX.Judg.5.19
covetousness 2Cor.9.5 • Col.3.5
desire for wealth LXX.Ps.119.36
wealth LXX.Hab.2.9
your desire for wealth LXX.Jer.22.17
πλεονεξίαι covetous desires Mark.7.22
covetousness Rom.1.29 • 2Pet.2.3
greediness Eph.4.19
πλεονεξία covetousness Eph.5.3
their desire for wealth LXX.Ezek.22.27

Abbott-Smith

πλεονεξία, -ας, ἡ (< πλεονέκτης), [in LXX for בֶּצַע;]
the character and conduct of a πλεονέκτης
1. advantage.
2. desire for advantage, grasping, aggression, cupidity, covetousness: Lk 12:15, Ro 1:29, II Co 9:5, Eph 4:19 (v. ICC, in l) Eph 5:3, Col 3:5, I Th 2:5, II Pe 2:3 2:14; pl. (v. Bl., § 32, 6), Mk 7:22.†
SYN.: φιλαργυρία, avarice (v. Tr., Syn., § xxiv).

Abbott-Smith References

Book Refs
Mark 7:22
Luke 12:15
Romans 1:29
2 Corinthians 9:5
Ephesians 4:19 · 5:3
Colossians 3:5
1 Thessalonians 2:5
2 Peter 2:3 · 2:14

Liddell-Scott-Jones

πλεονεξία,

Ionic dialect -ιη, ἡ, greediness, assumption, arrogance, τῶν Σπαρτιητέων ἡ π. [Refs 5th c.BC+]; π. συγγενική wrong done to one's kin, [Refs 4th c.AD+]

__2 assumption, αἱ ἐν τῷ πυνθάνεσθαι π. [Refs 4th c.BC+]
__II advantage, [Refs 5th c.BC+]; αἱ π. αἱ ἴδιαι, αἱ δημόσιαι, [Refs 5th c.BC+]; ἐπὶ πλεονεξίᾳ with a view to one's own advantage, [Refs 5th c.BC+]; μετὰ πλεονεξίας τινὸς ἀγωνίζεσθαι πρὸς [τὰ θηρία] [πλεονεξίαι ψυχῆς ">Refs]excellences, [Refs 3rd c.AD+]
__II.2 a larger share of a thing, τῶν πολιτικῶν δικαίων [Refs 4th c.BC+]
__II.3 gain derived from a thing, τὴν ἐπὶ τῶν ἰδίων δικῶν πλεονεξίαν [Refs 4th c.BC+]undue gains, [Refs 5th c.BC+]
__III excess, opposed to ἔνδεια, [Refs 5th c.BC+]