unspeakable

Strong’s Dictionary of Greek Words:

Greek:
ἀνεκδιήγητος
Transliteration:
anekdiegetos
Phonic:
an-ek-dee-ay’-gay-tos
Meaning:
from 1 (as a negative particle) and a presumed derivative of 1555; not expounded in full, i.e. indescribable
KJV Usage:
unspeakabl e