na-adjective, noun
Used as a noun or adjectival noun to describe something that is formally authorized, recognized, or sanctioned. Common in contexts like events, statements, websites, or merchandise.
これはオフィシャルな発表ではありません。
This is not an official announcement.
オフィシャルサイトで最新情報を確認してください
Please check the latest information on the official website.