Translation guide
The English verb 'announce' covers making something known publicly, declaring formally, or stating something for the first time. In Japanese, the best equivalent depends on the context: public announcements, personal news, official declarations, or media introductions.
To inform a group or the public about something, often via a system or in a formal setting.
The most common and versatile word for announcing information to the public or a group. Used for news, results, plans, etc.
They announced a new product.
The results will be announced tomorrow.
Often used for official or formal notifications, such as from a company or government. Slightly more formal than 発表する.
Details of the event will be announced later.
Loanword from English, used for announcements made over a public address system, in stations, airports, etc. Also used in broadcasting.
The train delay was announced at the station.
To state something in a formal or official manner, often with authority.
Used for formal declarations, such as declaring independence, war, or a state of emergency. Implies a strong, official statement.
The government announced a state of emergency.
To make something public officially, often used for disclosing information that was previously private or internal.
The company announced its new policy.
To share important personal news with friends, family, or publicly.
Used for reporting or informing someone of personal news. Common for engagements, pregnancies, etc. Often used with ～を報告する.
We announced our marriage.
To announce a pregnancy.
Polite way to say 'inform' or 'announce'. Often used in formal personal announcements, like in a letter or email.
We would like to announce our marriage.
To introduce the next segment, guest, or act in a broadcast or live event.
To make one's presence known, often by speaking or making a sound.
発表する is the most general 'announce'. 告知する is often used for official notifications to a specific audience (e.g., event details). 公表する emphasizes making something public that was previously hidden or internal.
Announce a new song.
Announce an event (to potential attendees).
Disclose/announce a scandal.
アナウンスする is mainly for public address systems or broadcasting. Using it for personal news like an engagement sounds unnatural. Use 報告する or お知らせする instead.
At the end of the program, they announce the preview for the next episode.
He rang the bell to announce his arrival.