Abbott-Smith Manual Greek Lexicon
κλέπτης (G2812)
16 κλέπτης , -ου, ὁ , [in LXX for גַּנָּב ;] a thief : Mt 6:19 , 20 24:43 , Lk 12:33 , 39 , Jo 10:1 , 10 12:6 , I Co 6:10 , I Pe 4:15 . Fig., ὡς κ. ἐν νυκτί , I Th 5:2 , 4 ( κλέπτας , WH, txt., R, mg.; v. Lft., Notes , 73; but cf. also M, Th. , l.c.), II Pe 3:10 , Re 3:3 16:15 . Metaph., of false teachers, Jo 10:8 .† SYN. : λῃστής , a robber , a brigand who plunders, openly, with violence; κ. is a thief who steals in secret, by fraud and cunning (Tr., Syn. , § xliv).
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain