unutterable, which cannot be uttered

Strong’s Dictionary of Greek Words:

Number:
215 (find all occurrences in KJV Bible)
Greek:
ἀλάλητος
Transliteration:
alaletos
Phonic:
al-al’-ay-tos
Meaning:
from 1 (as a negative particle) and a derivative of 2980; unspeakable
KJV Usage:
unutterable, which cannot be uttered