How to say "announcement" in Japanese

• 発表はっぴょうJLPT N3approx.Common
  noun, suru verb, transitive verbThe usual word for announcing something publicly — presenting results, findings, plans, or news. It covers most everyday senses of 'announcement' and is typically the word you want.
  彼かれは思おもいきって意見いけんを発表はっぴょうしない。↗

  He dare not express his opinion.
• 披露ひろうCommon
  noun, suru verb, transitive verbAnnouncing or presenting something formally, especially unveiling a new venture, work, or performance before an audience. It carries a slightly formal, ceremonial nuance compared with 発表.
  彼かれらは娘むすめの結婚けっこんをひろうした。↗

  They announced the engagement of their daughter.
• 宣言せんげんJLPT N1approx.Common
  noun, suru verb, transitive verbA formal, solemn declaration or proclamation — announcing an intention, policy, or state of affairs in an official or emphatic way, rather than simply releasing information.
  その植民地しょくみんちは独立どくりつを宣言せんげんした。↗

  The colony declared independence.
• アナウンスCommon
  noun, suru verb, transitive verbSpecifically an announcement made over a public-address system — at stations, airports, or events. It is the word you want only for this broadcast sense, not for announcements in general.
  今いまのアナウンスは何なんだったのですか。↗

  What did the announcement just say?
• 通告つうこくCommon
  noun, suru verb, transitive verbA notice or announcement sent officially to a specific party, often with the nuance of informing someone of a decision that affects them. It is a bureaucratic or formal register, not general public announcement.
  次つぎの会合かいごうの日取ひどりをご通告つうこく下ください。↗

  Please advise me of the date for the next meeting.

Use 「アナウンス」 for PA-system announcements, 宣言 for formal declarations, 通告 for official notices to a party, 発表 for public presentation of results or news, and 披露 for formal presentation or unveiling of something.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 発表はっぴょうannouncement
• 披露ひろうannouncement
• 宣言せんげんdeclaration
• アナウンスannouncement (esp. over public-address system)
• 通告つうこくannouncement
• 告知こくちnotice
• 公布こうふofficial proclamation
• 放送ほうそうbroadcasting
• 表明ひょうめいdeclaration
• 披露目ひろめmaking (something) widely known
• アナウンスメントannouncement
• 構内放送こうないほうそうannouncement (e.g. in a train station)
• お達しおたっしnotice or order handed down from above
• 記者発表きしゃはっぴょうpress release
• 社告しゃこく(company) announcement
• お披露目おひろめ(formal) announcement
• 案内あんないannouncement (of a visitor's arrival)
• 広告こうこくannouncement
• お断りおことわりannouncement
• ご案内ごあんないannouncement (of one's arrival)
• カミングアウトrevealing (e.g. something embarrassing)
• カムアウトrevealing (e.g. something embarrassing)