Strong's G273 — ἄμεμπτος (adjective)
amemptos (am'-emp-tos) adj.
1. irreproachable
[from G1 (as a negative particle) and a derivative of G3201]
KJV: blameless, faultless, unblamable 
Root(s): G1, G3201 
Hebrew root: μέμφομαι
Occurrences: 5