Meaning of “announce” - Learner’s Dictionary

announce

verb [ T ] us uk /əˈnaʊns/
Extra Examples
She announced her intention to resign.The company has announced plans to axe 500 jobs.The results will be announced next week.The two companies have announced a tentative deal.The company announced the closure of its Paris office.

B1 to tell people about something officially or with force or confidence:

The company has announced plans to open six new stores.
[ + (that) ] Halfway through dinner, he announced that he was going out.

(Definition of “announce” from the Cambridge Learner’s Dictionary © Cambridge University Press)