효율적
Achieving maximum productivity with minimum wasted effort or expense.
Examples
3 of 5이 시스템은 에너지 소비를 줄이는 데 효율적이다.
This system is efficient in reducing energy consumption.
더 효율적인 업무 방식을 찾아봅시다.
Let's find a more efficient way of working.
학습 효율적 방법을 사용하면 공부 시간을 단축할 수 있다.
Using efficient learning methods can shorten study time.
Word Family
Memory Tip
Hyo-yul. Think of 'Yield'. High yield from low effort.
Quick Quiz
자원을 _____으로 사용하는 것이 지속 가능한 발전의 핵심이다.
Correct!
The correct answer is: 효율적
Examples
이 시스템은 에너지 소비를 줄이는 데 효율적이다.
academicThis system is efficient in reducing energy consumption.
더 효율적인 업무 방식을 찾아봅시다.
businessLet's find a more efficient way of working.
학습 효율적 방법을 사용하면 공부 시간을 단축할 수 있다.
everydayUsing efficient learning methods can shorten study time.
정부는 예산을 효율적으로 집행해야 한다.
formalThe government must execute the budget efficiently.
그렇게 하면 전혀 효율적이지 않아.
informalIt's not efficient at all if you do it that way.
Word Family
Common Collocations
Common Phrases
효율을 높이다
to increase efficiency
저비용 고효율
low cost, high efficiency
효율성이 떨어지다
efficiency drops
Often Confused With
Hyo-yul-jeok is about 'efficiency' (input vs output), while Hyo-gwa-jeok is about 'effectiveness' (reaching the goal).
Usage Notes
A key word for discussing solutions to economic or environmental problems in IELTS.
Common Mistakes
Learners often confuse '효율적' with '효과적'. Remember: Efficiency is about 'how', Effectiveness is about 'did it work'.
Memory Tip
Hyo-yul. Think of 'Yield'. High yield from low effort.
Word Origin
From Sino-Korean '效率' (effect + rate).
Grammar Patterns
Quick Quiz
자원을 _____으로 사용하는 것이 지속 가능한 발전의 핵심이다.
Correct!
The correct answer is: 효율적
Related Vocabulary
More economics words
파생
B2The process where something new originates or branches out from a primary source or root. In finance, it refers to products whose value comes from an underlying asset.
유동성
B2The ease with which assets can be converted into cash, or the quality of being fluid and changeable. In a broader sense, it refers to a lack of fixed structure or stability.
동반하다
B2To accompany or go along with something, often used when one phenomenon causes or occurs simultaneously with another. In academic contexts, it refers to consequences or parallel trends.
둔화되다
B2To slow down or become less active. It is often used to describe economic growth, speed, or the rate of progress decreasing.
능가하다
B2To exceed or surpass a certain level, amount, or ability. It is often used to compare achievements or statistics in academic contexts.
재분배
B2The distribution of something (especially wealth or land) in a different way, typically to achieve greater equality within a society.
빈부 격차
B2The gap or inequality between the rich and the poor, typically referring to the uneven distribution of wealth and income in a society.
민영화
B2The transfer of ownership, property, or business from the government to the private sector. It is often done to increase efficiency and competition.
희소성
B2The state of being rare or in short supply. It is a fundamental concept in economics where human wants exceed limited resources.
투기
B2Investment in stocks, property, or other ventures in the hope of gain but with the risk of loss; often implies unfair or excessive profit-seeking.
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