Strong’s Greek
G2712 — kateidolos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
κατείδωλος
kateidolos — pronounced kat-i'-do-los
from 2596 (intensively) and 1497; utterly idolatrous:--wholly given to idolatry. see GREEK for 2596 see GREEK for 1497
1 occurrence in the KJV.
Acts 17:16
Now while Paul waited for them at Athens, his spirit was stirred in him, when he saw the city wholly given to idolatry.