officially

正式に、公式に

権限のある人や機関が正式に認めたり発表したりした形で。

やさしい英語で： In a way that is formally approved, announced, or recognized by people in authority.

• The school is officially open.
• They officially announced their marriage yesterday.
• Has the result been officially confirmed?

類義語： formally

反対語： unofficially

よく使う表現： officially open, officially recognized, officially announce something