Definition of "apologize"

apologize

/əˈpɒləd͡ʒaɪz/

verb
third-person singular simple present apologizes, present participle apologizing, simple past and past participle apologized
1. (intransitive, often followed by “for”) To make an apology or excuse; to acknowledge some fault or offense, with expression of regret for it, by way of amends
  Quotations
  Barnes was commanded, with Garrett and Jerome, to make a public acknowledgment of his errors; and to apologize especially for his insolent language to Gardiner
  1856, James Anthony Froude, History of England from the fall of Wolsey to the death of Elizabeth
  Today I want to apologize to my co-workers. Audio (US)(file)
  2016, VOA Learning English (public domain)
2. (intransitive) To express regret that a certain event has occurred.
3. (intransitive, dated) To make an apologia or defense; to act as apologist.
  Quotations
  To this purpose the most witty, cautious and subtile ſort of the Pagans apologize for themselves
  1660, H[enry] More, An Explanation of the Grand Mystery of Godliness; […], London: […] J[ames] Flesher, for W[illiam] Morden […]