ἀνεκδιήγητος G411
anekdiḗgētos · an-ek-dee-ay'-gay-tos · Adjective
from Α (as a negative particle) and a presumed derivative of ἐκδιηγέομαι; not expounded in full, i.e. indescribable:--unspeakable.
1 Occurrence in the King James Bible
2 Corinthians 9:15Thanks be unto God for his unspeakable gift.