rebuke

Definition:

To rebuke is to give someone a stern verbal correction, often in order to help that person turn away from sin.

The New Testament commands Christians to rebuke other believers when they are clearly disobeying God.
The book of Proverbs instructs parents to rebuke their children when they are disobedient.
A rebuke is typically given to prevent the one who committed the wrong from involving themselves further in sin.
This could be translated by, "sternly correct" or "admonish."
The phrase "a rebuke" could be translated by, "a stern correction" or "a strong criticism."
"Without rebuke" could be translated as, "without admonishing" or "without criticism."