Strong’s Greek
G3473 — morologia
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
μωρολογία
morologia — pronounced mo-rol-og-ee'-ah
from a compound of 3474 and 3004; silly talk, i.e. buffoonery:--foolish talking. see GREEK for 3474 see GREEK for 3004
1 occurrence in the KJV.
Ephesians 5:4
Neither filthiness, nor foolish talking, nor jesting, which are not convenient: but rather giving of thanks.