authoritative

信頼できる、権威ある

十分な知識と確かな情報に基づいていて、信頼できる。

やさしい英語で： Based on thorough knowledge and reliable information, so people can trust it.

• This is an authoritative guide to local birds.
• We need an authoritative source for these figures.
• Her account became the most authoritative history of the expedition.

類義語： reliable, definitive, trustworthy

反対語： unreliable

よく使う表現： authoritative source, authoritative guide, authoritative account, authoritative study

威厳のある、堂々とした

自信と力強さがあり、人に耳を傾けさせ、従わせる。

やさしい英語で： Confident and powerful in a way that makes people listen and obey.

• She spoke in an authoritative voice.
• His authoritative manner kept the meeting calm.
• Can you sound more authoritative when giving instructions?

類義語： commanding, confident, assertive

反対語： hesitant

よく使う表現： authoritative voice, authoritative tone, authoritative manner

正式な、権限に基づく

正式な決定を下す権限のある人や組織から出された。

やさしい英語で： Coming from a person or organization with the power to make official decisions.

• The court issued an authoritative ruling.
• We are waiting for an authoritative statement from the council.
• These authoritative instructions come directly from the minister.

類義語： official, authorized

反対語： unofficial

よく使う表現： authoritative ruling, authoritative statement, authoritative decision