Inexcusable

The customer's rude behavior towards the salesperson was inexcusable.

The athlete's use of racial slurs was inexcusable and resulted in public backlash.

The doctor's failure to diagnose the patient's condition was inexcusable.

The student's plagiarism was inexcusable and resulted in expulsion.

Inflicting emotional or physical harm on a child is inexcusable and can result in criminal charges.

Violating someone's privacy is inexcusable and can result in legal action.

Bullying someone weaker than you is inexcusable.

Using hate speech or derogatory language towards someone is inexcusable and can result in social consequences.

Engaging in sexual harassment or assault is inexcusable and can result in legal action.

Stealing from a charity or non-profit organization is inexcusable and can result in criminal charges.

Discrimination based on race, gender, or sexuality is inexcusable and can result in legal action.

Deliberately hurting someone emotionally or physically is inexcusable.

Blaming someone innocent for your mistake is inexcusable.

The way she spoke to her elders was inexcusable.