Romans 1:31

They are senseless, faithless, heartless, merciless.
BSB · Berean Standard Bible
Without understanding, covenantbreakers, without natural affection, implacable, unmerciful:
KJV · King James Version
without understanding, covenant breakers, without natural affection, unforgiving, unmerciful;
WEB · World English Bible
without understanding, covenant-breakers, without natural affection, unmerciful:
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

Without understanding
Romans 1:20, 21; Romans 3:11; Proverbs 18:2; Isaiah 27:11; Jeremiah 4:22; Matthew 15:16
covenant-breakers
2 Kings 18:14–37; Isaiah 33:8; 2 Timothy 3:3