Strong's #379: anapologetos (pronounced an-ap-ol-og'-ay-tos)
from 1 (as a negative particle) and a presumed derivative of 626; indefensible:--without an excuse, inexcusable.
Thayer's Greek Lexicon:
̓́
anapologētos
1) without defense or excuse
2) that which cannot be defended, inexcusable
Part of Speech: adjective
Relation: from G1 (as a negative particle) and a presumed derivative of G626
Usage:
This word is used 2 times:
Romans 1:20: "and Godhead; so that they are without excuse:"
Romans 2:1: "Therefore thou art inexcusable, O man, whosoever thou art that judgest: for"