Strong’s Greek
G794 — astorgos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἄστοργος
astorgos — pronounced as'-tor-gos
from 1 (as a negative particle) and a presumed derivative of stergo (to cherish affectionately); hard-hearted towards kindred:--without natural affection. see GREEK for 1
2 occurrences in the KJV.
Romans 1:31
Without understanding, covenantbreakers, without natural affection, implacable, unmerciful:
2 Timothy 3:3
Without natural affection, trucebreakers, false accusers, incontinent, fierce, despisers of those that are good,