Lexical Definition

‎λῃστής‎ lēistḗs (lace-tace') robber/rebel G:N-M
from (to plunder)

robber, thief.

Usage: 11 forms in 20 verses
Form Translated As     In Verse(s)
λῃστῶν of robbers 2Cor.11.26
of robbers’ Matt.21.13 • Mark.11.17 • Luke.19.46
λῃστὴν a robber Matt.26.55 • Mark.14.48 • Luke.22.52
λῃσταῖσ robbers Luke.10.30
λῃσταὶ robbers Matt.27.44
λῃσταί robbers Matt.27.38 • John.10.8
λῃστήσ a robber John.10.1
an insurrectionist John.18.40
λῃστάσ robbers Mark.15.27 • Luke.10.36
ληστών of robbers LXX.Jer.7.11
λησταί robbers LXX.Obad.1.5
were robbers LXX.Ezek.22.9
ληστήσ a robber LXX.Hos.7.1
ληστάσ robbers LXX.Jer.18.22

Abbott-Smith

λῃστής, -οῦ, ὁ (< Ep. ληίς = λεία, booty), [in LXX for גְּדוּד, etc.;]
a robber, brigand: Mt 21:13(LXX) 26:55 27:38, 44, Mk 11:17 14:48 15:27, Lk 10:30, 36 19:46 22:52, Jo 10:1, 8 18:40, II Co 11:26.†
SYN.: κλέπτης, q.v.

Abbott-Smith References

Book Refs
Matthew 21:13 · 26:55 · 27:38 · 27:44
Mark 11:17 · 14:48 · 15:27
Luke 10:30 · 10:36 · 19:46 · 22:52
John 10:1 · 10:8 · 18:40
2 Corinthians 11:26

Liddell-Scott-Jones

λῃστής-ής, οῦ, ὁ,

Ionic dialect ληϊστής, Doric dialect λᾳστής, (ληΐς, ληΐζομαι) robber, pirate, [Refs 5th c.BC+]; opposed to κλέπτης, [Refs 5th c.BC+]; especially by sea, buccaneer, later πειρατής, [λῃστήςοῦ βίον ζῆν 5th-6th c.BC: Plato Philosophus “Gorgias” 507e ">Refs 5th c.BC+]; ληϊστὴς κατεστήκεε Καρχηδονίων he began a course of piracies upon them, [Refs 5th c.BC+]; of irregular troops, [Refs]

__II metaphorically, λ. ἐναργὴς τῆς ἐμῆς τυραννίδος [Refs 5th c.BC+]; λῃστήςὰ λογισμοῦ, of love, [Refs 1st c.AD+]