Apology mail to the senior

Here is an example of an apology email to a senior:

Subject: A Sincere Apology for [Specific Incident]

Dear [Senior's Name],

I am writing to express my deepest apologies for [specific incident or behavior that caused offense]. I want to start by saying how sorry I am for my actions/words and the impact they had on you.

As [your position/relationship], I understand that my behavior was unacceptable and fell short of the standards I should be holding myself to. I realize that my actions/words were not only unprofessional but also disrespectful and hurtful.

I want to assure you that I have taken the time to reflect on my actions and have learned a valuable lesson from this experience. I am committed to doing better in the future and to being a more considerate and respectful [position/relationship].

Please know that I value our relationship and the trust you have placed in me. I am committed to regaining that trust and to being a positive influence in your life.

If there is anything I can do to make things right, please do not hesitate to let me know. I am willing to do whatever it takes to regain your trust and respect.

Once again, I am deeply sorry for my actions/words and for the pain and offense I caused. I hope that you can find it in your heart to forgive me and that we can move forward from this experience.

Sincerely,

[Your Name]

Note: This is just an example, you should adjust it according to your specific situation and relationship with the senior.