necessary

必要な

何かが起きたり正しく行われたりするために欠かせない。

やさしい英語で： Needed for something to happen or be done properly.

• Bring all the necessary documents.
• Is it necessary to wear a coat?
• They took the necessary steps to protect their home.

使い方： necessary for someone/something (These tools are necessary for the repair.); it is necessary to do something (It is necessary to book in advance.); necessary to do something (We have the money necessary to finish the work.)

類義語： needed, required, essential

反対語： unnecessary

よく使う表現： necessary equipment, necessary steps, absolutely necessary, necessary for something

避けられない、必然的な

必ず起こる、または避けることができない。

やさしい英語で： Certain to happen or impossible to avoid.

• Change was a necessary consequence of their decision.
• Some delay was a necessary result of the repairs.
• She accepted the paperwork as a necessary evil.

使い方： necessary consequence of something (Higher costs were a necessary consequence of the new rules.)

類義語： inevitable, unavoidable

反対語： avoidable

よく使う表現： necessary consequence, necessary outcome, necessary result, necessary evil

便所

用を足す設備のある部屋や小さな建物。

やさしい英語で： A room or small building containing a toilet.

• The necessary stood behind the house.
• He went outside to visit the necessary.
• A servant showed her the door to the necessary.

類義語： toilet, privy

よく使う表現： the necessary, visit the necessary