アナウンスanaunsu

1. noun, suru verb, transitive verbannouncement (esp. over public-address system)
   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?
2. noun, suru verbofficial announcement; formal information release

• Synonym発表はっぴょうNeutralBroader: covers research findings, exam results, even voicing opinions. 「アナウンス」 is mainly a notice broadcast or formally relayed to a crowd.
• Synonym公表こうひょうWrittenFormal word for making data or facts public, typical of government and business. 「アナウンス」 stresses informing people present or a wide audience.
• Synonym告知こくちNeutralFocuses on telling someone or the public something; also advance publicity for events and shows, as in 「告知義務」. It need not go over a broadcast.
• Synonym公示こうじFormalPublic agencies legally disclosing something to the public, as in an election 「公示」. 「アナウンス」 is not limited to officials — shops and stations use it too.
• Synonym告げるつげるWrittenA verb for telling someone something, also for bells and the like signaling an event, as in 「別れを告げる」; not tied to notices aimed at a crowd.
• SynonymアナウンスメントNeutralMeans the same — a public notice or its content — but is rarely used; in everyday speech 「アナウンス」 is the normal choice.
• Related布告ふこくWrittenA state or authority formally proclaiming decisions or commands to the public, as in 「宣戦布告」; far more solemn than 「アナウンス」.
• Related告示こくじFormalOfficial notices issued by public agencies, as in 「内閣告示」, usually in formal documents; never used for station announcements.
• Related知らせるしらせるNeutralA verb for passing on information, even to just one person, with no need for publicity or formality; 「アナウンス」 is a formal notice to a crowd.
• Related公布こうふFormalSpecifically the official promulgation of laws and treaties in the gazette — a legal step. 「アナウンス」 is everyday informing, fine for shops and stations.
• Related広告こうこくNeutralWide promotion for commercial or public ends via posters, video, etc. 「アナウンス」 centers on broadcast notices; in-store promo announcements can use it.
• Related宣言せんげんFormalA person or group formally declaring its views or policy, as in 「独立宣言」 — the point is stating a stance. 「アナウンス」 is about conveying information.
• Related触れふれWrittenOld-time proclamations of laws or orders to the populace, usually as 「お触れ」; historical flavor, not used for modern notices.
• Related宣布せんぷWrittenWritten word for formally proclaiming something widely to society, or spreading doctrine and ideas; not for everyday notices or broadcasts.
• Related布達ふたつFormalGovernment offices or superiors relaying decisions to subordinates or those concerned; also Meiji-era administrative orders. Rare today.
• Antonym内緒ないしょCasualColloquial word for keeping something private, as in 「内緒にする」 — the opposite of 「アナウンス」, which broadcasts news to a crowd.
• Antonym秘密ひみつNeutralThings kept hidden from others; wider in use than 「内緒」. Stands at the opposite pole from 「アナウンス」, which makes news public.

Use 「アナウンス」 for broadcast notices and formal announcements at stations, airports and stores. For releasing results or findings, pick 「発表」; for official disclosure by agencies, 「公表」 or 「公示」; for laws and treaties, 「公布」. 「布告」 and 「触れ」 are solemn proclamations, 「布達」 and 「宣布」 stiff or dated, 「アナウンスメント」 rare, 「広告」 advertising. The verbs 「知らせる」 and 「告げる」 just mean to tell; 「内緒」 and 「秘密」 are the opposites — keeping things hidden.

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

1. (和製わせい英語えいご) 物事ものごとを公式こうしきな形かたちで多おおくの人ひとへ知しらせること。または、そのように伝つたえられる知しらせ。声こえによるものが多おおいが、文章ぶんしょうなど他ほかの媒体ばいたいによるものもある。
2. 公式こうしきな形かたちで多おおくの人ひとへ知しらせる。