The word "being announced" can have a few different antonyms depending on the context. For example, if we are talking about a surprise party, the antonym could be "being kept a secret" or "being concealed". In the context of sports or competitions, the antonym could be "being disqualified" or "being eliminated". Finally, if we are talking about news or information, the antonym could be "being suppressed" or "being hidden". It's important to understand the context in which the word "being announced" is being used in order to accurately identify its antonyms.