economical

経済的な、省エネの

何かをするのに使うお金、燃料、材料などが少ない様子。

やさしい英語で： Using little money, fuel, or other materials to do something.

• This car is economical to run.
• We need a more economical way to heat the house.
• The new process is economical with raw materials.

使い方： economical with something (The process is economical with water.); economical to do something (This heater is economical to run.)

類義語： efficient, cost-effective

反対語： wasteful, uneconomical

よく使う表現： economical car, economical method, economical to run, economical option

倹約家の、節約する

お金を慎重に使い、無駄遣いを避ける様子。

やさしい英語で： Careful about spending money and avoiding waste.

• My grandmother was an economical person.
• He is economical with money but generous with his time.
• Their economical habits helped them save for a house.

使い方： economical with something (She has always been economical with her money.)

類義語： thrifty, frugal

反対語： extravagant, wasteful

よく使う表現： economical person, economical habits, economical with money

経済の

国のお金、貿易、事業活動に関わる様子。

やさしい英語で： Related to a country’s money, trade, and business activity.

• The book discussed economical affairs.
• The writer described the country’s economical conditions.
• Their report examined economical changes during that century.

類義語： economic

よく使う表現： economical conditions, economical affairs, economical policy