Lexical Definition

‎μοιχός‎ moichós (moy-khos') adulterer G:N-M
perhaps a primary word

adulterer.

Usage: 7 forms in 10 verses
Form Translated As     In Verse(s)
μοιχών of adulterers LXX.Isa.57.3LXX.Jer.23.10
μοιχόσ adulterer LXX.Prov.6.32
μοιχοὺσ adulterers Heb.13.4
μοιχοὶ adulterers 1Cor.6.9Jas.4.4
μοιχούσ adulterers LXX.Mal.3.5
μοιχού adulterer LXX.Ps.50.18
of adulterer LXX.Job.24.15
μοιχοί adulterers Luke.18.11

Abbott-Smith

μοιχός, -οῦ, ὁ, [in LXX for נאף;]
an adulterer: Lk 18:11, I Co 6:9, He 13:4.†

Abbott-Smith References

Book Refs
Luke 18:11
1 Corinthians 6:9
Hebrews 13:4

Liddell-Scott-Jones

μοιχός, ,

adulterer, paramour, [Refs 6th c.BC+]; κεκαρμένος μοιχὸν μιᾷ μαχαίρᾳ having the head close shaven with a razor, as was done by way of punishment to persons taken in adultery, [Refs 5th c.BC+]

__II generally, paramour, of a sodomite, [Refs 3rd c.AD+]
__III idolatrous person, [NT]

LSJ Scripture Refs: Jas.4.4