Strong's G677 — ἀπρόσκοπος (adjective)
aproskopos (ap-ros'-kop-os) adj.
1. actively, inoffensive, i.e. not leading into sin
2. (passively) faultless, i.e. not led into sin
[from G1 (as a negative particle) and a presumed derivative of G4350]
KJV: none (void of, without) offence 
Root(s): G1, G4350 
Hebrew root: προσκόπτω
Occurrences: 3