I must apologize to Isobel for my lateness.
Trains may be subject to delay - we apologize for any inconvenience caused.
He felt compelled to apologize for his rude behavior at the party and sent a heartfelt apology email to the host.
The restaurant manager came to our table to apologize for the delayed service and offered a complimentary dessert as a gesture of goodwill.
After their argument, she realized she needed to apologize to her sister for her harsh words and hugged her tightly, expressing her regret.
