Definitions of apologize

1. To make an apology or excuse.

2. To make an apology or excuse; to make acknowledgment of some fault or offense, with expression of regret for it, by way of amends; - with for; as, my correspondent apologized for not answering my letter.

3. To make an excuse; to express regret or make amends for anything said or done.

4. To make excuse.

5. defend, explain, clear away, or make excuses for by reasoning; " rationalize the child's seemingly crazy behavior"; " he rationalized his lack of success"