express regret
He later expressed regret for portraying sharks as creatures that target human beings.
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If you apologize for something, you say sorry that you did it.

apologize | American Thesaurus

apologize

verb
These are words and phrases related to apologize. Click on any word or phrase to go to its thesaurus page. Or, go to the definition of apologize.
He apologized for his rude behavior.

Synonyms