It's morally reprehensible.

Meaning

It's deeply wrong and shameful.

Examples

• John: Their actions are appalling. <b>It's morally reprehensible</b>.
• Alice: I completely agree. It's unacceptable behavior.
• John: We can't stand idly by while such injustice occurs. <b>It's morally reprehensible</b>.
• Alice: We need to speak out and take action.