without an excuse, inexcusable

Strong’s Dictionary of Greek Words:

Greek:
ἀναπολόγητος
Transliteration:
anapologetos
Phonic:
an-ap-ol-og’-ay-tos
Meaning:
from 1 (as a negative particle) and a presumed derivative of 626; indefensible
KJV Usage:
without an excuse, inexcusable