Strong’s Greek
G802 — asunthetos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἀσύνθετος
asunthetos — pronounced as-oon'-thet-os
from 1 (as a negative particle) and a derivative of 4934; properly, not agreed, i.e. treacherous to compacts:-- covenant-breaker. see GREEK for 1 see GREEK for 4934
1 occurrence in the KJV.
Romans 1:31
Without understanding, covenantbreakers, without natural affection, implacable, unmerciful: