apologize · verb I /əˈpɑl.əˌdʒɑɪz/
apologize
B1 to tell someone that you are sorry about something you have done
Dictionary examples:
I must apologize to Isobel for my behavior.
Trains may be subject to delay - we apologize for any inconvenience.
She apologized for leaving early.
Learner example:
This letter is to inform you that I will not be able to attend tomorrow's class due to medical issues. I apologize for the short notice. (Preliminary English Test; B1; Spanish)