Strong’s Greek
G62 — agrammatos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἀγράμματος
agrammatos — pronounced ag-ram-mat-os
from 1 (as negative particle) and 1121; unlettered, i.e. illiterate:--unlearned. see GREEK for 1 see GREEK for 1121
1 occurrence in the KJV.
Acts 4:13
Now when they saw the boldness of Peter and John, and perceived that they were unlearned and ignorant men, they marvelled; and they took knowledge of them, that they had been with Jesus.