Romans 1:31

They are senseless, faithless, heartless, merciless.

Berean Standard Bible
Other translations

King James Version

Without understanding, covenantbreakers, without natural affection, implacable, unmerciful:

World English Bible

without understanding, covenant breakers, without natural affection, unforgiving, unmerciful;

American Standard Version

without understanding, covenant-breakers, without natural affection, unmerciful:

Geneva Bible 1599

Which men, though they knew ye Lawe of God, how that they which comit such things are worthie of death, yet not onely do the same, but also fauour them that doe them.

Darby Translation

void of understanding, faithless, without natural affection, unmerciful;

Young's Literal Translation

unintelligent, faithless, without natural affection, implacable, unmerciful;

Bible in Basic English

Without knowledge, not true to their undertakings, unkind, having no mercy:

In context

30slanderers, God-haters, insolent, arrogant, and boastful. They invent new forms of evil; they disobey their parents.

32Although they know God’s righteous decree that those who do such things are worthy of death, they not only continue to do these things, but also approve of those who practice them.

Read Romans 1