At the A1 level, '비능률적이다' is a very advanced word. You don't need to use it yet! Instead, think of it as 'not good' or 'too slow.' If you are doing something and it takes a long time, but you don't finish it, that is '비능률적.' At this stage, just remember that '비' means 'not' and '능률' means 'efficiency.' If a teacher says this, they mean 'Try a different way, this way is not working well.' You can use simpler words like '나빠요' (it's bad) or '너무 느려요' (it's too slow). Imagine you are trying to drink soup with a fork. That is very '비능률적'! It is better to use a spoon. In Korean, we use this word to talk about things that waste time. Even if you are a beginner, knowing that '비' means 'not' will help you learn many other words later, like '비밀' (secret/not-known) or '비정상' (abnormal/not-normal). Focus on the idea of 'wasting time' and 'working the wrong way.' If you study for 10 hours but only learn one word, that is '비능률적.' It is better to study for 10 minutes and learn 5 words. That would be '능률적' (efficient). Try to see the word in office settings in dramas!
At the A2 level, you are starting to talk about your daily routine and work. '비능률적이다' is useful when you want to complain politely about a process. For example, if you have to go to three different offices to get one paper signed, you can say '이것은 비능률적이에요.' It means 'This is inefficient.' You are moving beyond simple adjectives like 'bad' and using more 'adult' words. You might use this word when talking about your study habits. '밤에 공부하는 것은 비능률적이에요' (Studying at night is inefficient). This level is about recognizing the word in context. You might hear it in a Korean workplace or see it in a simple news headline about traffic. Remember the structure: [Subject] + [은/는] + [비능률적이에요]. It's a great word to use if you want to sound more professional than a basic learner. You are describing a 'method' or a 'way' of doing things. If a computer is very old and takes 10 minutes to turn on, you can say '이 컴퓨터는 너무 비능률적이에요.' It helps you express frustration in a logical, calm way rather than just saying 'I hate this computer.'
At the B1 level, you should be able to use '비능률적이다' to explain *why* something is a problem. You are now forming complex sentences. You might use the '-기 때문에' (because) or '-(으)니까' (since) structures. For example: '이 방식은 비능률적이기 때문에 바꿔야 합니다' (Because this method is inefficient, we must change it). At this level, you should also know the noun form '비능률' (inefficiency) and the opposite '능률적이다' (to be efficient). You are starting to participate in discussions about productivity. If you are working in a group project, you can suggest a better way by pointing out the '비능률적인' parts of the current plan. You are also learning to use the adverbial form '비능률적으로'. '우리는 시간을 비능률적으로 쓰고 있어요' (We are using our time inefficiently). This shows you understand how to modify verbs. You will encounter this word in intermediate reading passages about technology, the environment, or business. It's a key word for the TOPIK II exam. Start noticing how it's used in 'How-to' videos or blogs in Korean. It's often paired with words like '시간' (time), '비용' (cost), and '노력' (effort).
At the B2 level, you are expected to use '비능률적이다' with nuance and precision. You should understand the difference between '비능률적' (process-focused) and '비효율적' (result/cost-focused). You can use this word in formal writing, such as essays or business emails. You might argue against a certain government policy or a corporate strategy by highlighting its '비능률성' (inefficiency). You should be comfortable with the attributive form '비능률적인' to describe abstract concepts like '비능률적인 관료주의' (inefficient bureaucracy). At this level, you can also use it in the passive sense, such as '비능률이 초래되다' (inefficiency is caused). You understand that this word is part of a larger family of '적' adjectives. You can use it to compare different systems: '기존의 방식은 신규 시스템에 비해 상당히 비능률적이라는 것이 판명되었습니다' (It was proven that the existing method is considerably inefficient compared to the new system). Your vocabulary is now sophisticated enough to discuss organizational behavior and economic productivity. You can also use it to give constructive criticism without sounding personal or emotional, which is crucial in Korean professional culture.
At the C1 level, '비능률적이다' is a tool for deep structural analysis. You use it to critique complex systems, economic models, or societal norms. You might discuss how '비능률적인 사회적 비용' (inefficient social costs) affect a nation's growth. Your usage should reflect an understanding of the word's Hanja roots and its relationship to other academic terms like '생산성' (productivity) or '최적화' (optimization). You can use the word in high-level debates, perhaps discussing the '비능률성' of certain legal procedures or the '비능률적인 에너지 소비 구조' (inefficient energy consumption structure). You are capable of using the word in complex grammatical constructions, such as '비능률적이라고 하지 않을 수 없다' (one cannot help but say it is inefficient). You also recognize when the word is used ironically or metaphorically in literature or high-level journalism. You can explain the historical context of why efficiency is so valued in Korea and how the label '비능률적' has been used to drive rapid industrialization. Your speech and writing should flow naturally, using '비능률적' as just one of many precise terms in your arsenal to describe systemic flaws.
At the C2 level, you have a native-like grasp of '비능률적이다.' You understand its weight in different registers, from a CEO's boardroom speech to a philosophical essay on the human condition. You might explore the idea of '비능률의 미학' (the aesthetics of inefficiency) in art or slow-living movements, contrasting it with the industrial '능률.' You can use the word to analyze the '비능률성' of natural languages or biological processes in a scientific context. You are familiar with all derivative forms and can use them in the most formal settings, such as academic dissertations or high-level diplomatic negotiations. You understand the subtle sociolinguistic implications of calling something '비능률적'—how it can be a tool for modernization or a critique of traditionalism. You can effortlessly switch between '비능률적', '비효율적', '소모적', and '불합리적' to convey the exact shade of meaning required by the context. Your mastery allows you to use the word with perfect collocation, such as '비능률의 극치' (the height of inefficiency) or '비능률을 타파하다' (to break down/overcome inefficiency). You are not just using a word; you are wielding a concept that is central to modern Korean thought and organization.

비능률적이다 30秒了解

  • Meaning: Inefficient or unproductive, especially regarding work rate.
  • Structure: Non (비) + Efficiency (능률) + Adjective suffix (적) + To be (이다).
  • Usage: Used for systems, methods, and work processes, not usually for personality.
  • Nuance: Implies a waste of time or energy due to a flawed method.

The word 비능률적이다 (bi-neung-ryul-jeok-i-da) is a powerful Sino-Korean adjective that describes a state of being inefficient or unproductive. To understand this word deeply, we must look at its constituent Hanja (Chinese characters). The first character, 비 (非), functions as a prefix meaning 'not' or 'non-'. The middle part, 능률 (能率), translates to 'efficiency' or 'work rate,' where '능' (能) means ability and '률' (率) means rate or ratio. Finally, 적 (的) is a suffix that transforms the noun into an attributive adjective, similar to '-ic' or '-al' in English. When you combine these, you get a word that literally means 'having the quality of a non-efficient rate.' In Korean society, which places a high premium on speed and results—often referred to as the 'Pali-pali' (hurry-hurry) culture—calling a process or a person's method '비능률적' is a significant critique. It implies that resources like time, money, and human effort are being squandered without achieving the desired output. It is most commonly used in professional, academic, or technical contexts where performance is measured against input.

Professional Context
In a corporate environment, this word is used to describe outdated software, redundant meetings, or overly complex hierarchies that slow down progress. For example, a manager might say that manual data entry is '비능률적' compared to using automated systems.
Academic Context
Students use this to describe study habits that don't yield results, such as mindlessly copying textbooks without understanding the core concepts. It highlights a lack of strategic planning in learning.

종이 서류를 일일이 확인하는 것은 매우 비능률적이다. (Checking paper documents one by one is very inefficient.)

Furthermore, the word carries a nuance of technical failure. It isn't just that something is 'bad'; it's that the system governing the action is fundamentally flawed. When a machine consumes too much electricity for the small amount of work it does, it is 비능률적. When a government department requires twenty signatures for a simple permit, the process is 비능률적. It is a word of diagnosis, identifying where a system is leaking energy. In modern Korea, as the focus shifts from simple hard work to 'smart work,' identifying what is 비능률적 has become a key part of self-improvement and organizational development dialogues.

그의 작업 방식은 비능률적이라서 시간이 오래 걸린다. (His way of working is inefficient, so it takes a long time.)

Daily Life Usage
While formal, you might hear it in daily life when someone is frustrated with a slow route taken by a GPS or a complicated way of organizing a kitchen. It sounds more sophisticated than just saying 'slow' or 'bad.'

이 동선은 너무 비능률적이에요. (This movement path is too inefficient.)

에너지를 이렇게 쓰는 것은 비능률적입니다. (Using energy like this is inefficient.)

In summary, '비능률적이다' is your go-to word when you want to describe something that wastes resources due to a poor system or method. It is a staple of business Korean and high-level academic discussion, but its roots in the 'Pali-pali' culture make it relevant to almost every aspect of life in Korea where people strive for the best results in the shortest time.

Using 비능률적이다 correctly requires an understanding of Korean sentence structure and the specific contexts where 'efficiency' is the primary concern. Because it ends in '적이다', it functions as a descriptive verb (adjective). You can use it to modify nouns by changing it to '비능률적인' or use it as a predicate to describe a subject. Let's explore how to integrate this word into various types of sentences to sound natural and precise.

과도한 회의는 업무의 진행을 비능률적으로 만든다. (Excessive meetings make work progress inefficient.)

In the sentence above, '비능률적으로' acts as an adverb modifying the verb '만든다' (to make). This is a very common pattern: [Subject] + [Object] + [비능률적으로] + [만들다]. It suggests that a certain factor is actively causing a decrease in efficiency. This is particularly useful in business reports or when providing feedback on a project.

Noun Modification
To describe a noun, use the form '비능률적인'. For example, '비능률적인 시스템' (an inefficient system) or '비능률적인 습관' (inefficient habits). This is used when the inefficiency is a defining characteristic of the noun.

우리는 비능률적인 절차를 간소화해야 합니다. (We must simplify inefficient procedures.)

Another common structure involves using the particle '-은/는' to define a subject as inefficient. This is the most direct way to state an opinion or a fact about a method. For example, '이 방법은 비능률적이다' (This method is inefficient). You can add emphasis by using adverbs like '매우' (very), '상당히' (considerably), or '지나치게' (excessively).

구식 기계를 사용하는 것은 상당히 비능률적이다. (Using old machinery is considerably inefficient.)

Comparative Use
You can compare two things by saying '[A]보다 [B]가 더 비능률적이다' ([B] is more inefficient than [A]). This is essential when evaluating different strategies or tools.

혼자서 이 모든 일을 하는 것은 팀으로 하는 것보다 비능률적이다. (Doing all this work alone is more inefficient than doing it as a team.)

Finally, consider the use of the connective '-어서/아서' (because/so). This allows you to explain the consequences of inefficiency. '비능률적이어서 시간 낭비가 심하다' (Because it is inefficient, the waste of time is severe). This helps build a logical argument in your speech or writing, showing not just *that* something is inefficient, but *why* it matters.

Formal Reporting
In formal reports, you might see '비능률성이 지적되다' (Inefficiency was pointed out). Here, '비능률성' is the noun form meaning 'inefficiency' as a concept.

기존의 방식은 여러 면에서 비능률적임이 드러났다. (It was revealed that the existing method is inefficient in many ways.)

By mastering these patterns, you can use '비능률적이다' to provide sharp, professional critiques and engage in sophisticated discussions about productivity and optimization in Korean.

The word 비능률적이다 is ubiquitous in specific spheres of Korean life, particularly where performance and systemic organization are valued. You won't hear it much in a playground or a casual dinner among close friends, but it is a staple of 'Dramaland' office scenes, news broadcasts, and university lectures. Understanding these contexts will help you recognize the gravity and the specific flavor the word brings to a conversation.

The Modern Korean Office
In a 'K-Drama' office setting, you might hear a stern manager criticizing a team's proposal. If they say, '이 계획은 너무 비능률적이야!' (This plan is too inefficient!), they are attacking the logic of the workflow. It's a common trigger for a 're-do' or a 're-evaluation' scene. In real Korean offices, this word is used during performance reviews or strategy meetings to justify changing a vendor or adopting new technology.

상사: "보고서 형식이 너무 복잡해서 비능률적입니다. 단순화하세요." (Boss: "The report format is too complex and inefficient. Simplify it.")

Another place you will frequently encounter this word is in the news, particularly in segments focusing on the economy or government administration. News anchors often use '비능률적' to describe the waste of taxpayer money or the slow pace of bureaucratic processes. For example, a report on a failed public project will almost certainly use the phrase '비능률적인 예산 집행' (inefficient budget execution).

Academic and Educational Settings
In South Korea's highly competitive education system, efficiency is key. You'll hear teachers or 'Hagwon' (private academy) instructors telling students that certain ways of memorizing are '비능률적'. They might advocate for active recall or spaced repetition instead of '비능률적인 단순 암기' (inefficient rote memorization).

강사: "잠을 줄여가며 공부하는 것은 장기적으로 비능률적입니다." (Instructor: "Studying while cutting back on sleep is inefficient in the long run.")

In the tech world, particularly in Seoul's 'Teheran-ro' (the Silicon Valley of Korea), developers and project managers use '비능률적' to describe code that is messy or processes that involve too much manual labor. It's a word that signals a need for innovation. If a startup founder says their current user acquisition strategy is '비능률적', it means they are looking for a 'pivot' or a more scalable solution.

개발자: "이 코드는 중복이 많아서 실행 속도가 비능률적이에요." (Developer: "This code has many redundancies, so the execution speed is inefficient.")

Self-Help and Personal Growth
Korean bookstores are filled with self-help books on 'God-saeng' (living a productive, exemplary life). These books often analyze '비능률적인 시간 관리' (inefficient time management) and provide tips on how to become more '능률적' (efficient).

In all these contexts, '비능률적이다' functions as a call to action. It identifies a problem that needs a logical, often structural, solution. By listening for this word, you can tap into the Korean mindset of constant optimization and high-speed progress.

While 비능률적이다 is a straightforward term, learners often trip over its nuances, its Hanja-based structure, or confuse it with similar-sounding words. Understanding these pitfalls will help you use the word with the precision of a native speaker.

Confusing '비능률적' with '비효율적'
This is the most common mistake even for advanced learners. While often interchangeable in English as 'inefficient,' there is a subtle difference in Korean. 비능률적 (Inefficient rate) focuses on the *process* and the *speed/output* within a set timeframe. 비효율적 (Ineffective/Inefficient) focuses more on the *ratio* of input (cost, effort) to the final *result*. If you work hard but get nothing done, you are 비효율적. If you work in a way that takes 5 hours for a 1-hour job, you are 비능률적.

Correct: 이 기계는 에너지를 많이 써서 비효율적이다. (This machine uses a lot of energy, so it's inefficient/cost-ineffective.)
Correct: 이 작업 방식은 손이 많이 가서 비능률적이다. (This work method requires too much manual labor, so it's inefficient/slow.)

Another mistake is using the word to describe a person's character or personality. You should not say '그 사람은 비능률적이다' to mean someone is lazy or slow-witted. This sounds dehumanizing, as if you are describing a broken tool. Instead, describe their *actions* or *methods*. Say '그 사람의 일 처리가 비능률적이다' (That person's way of handling work is inefficient).

Learners also struggle with the pronunciation of the '률' (ryul) sound. Because of the 'ㅇ' (ng) in '능', the 'ㄹ' in '률' often becomes a nasal 'ㄴ' sound in fast speech, sounding like '능뉼'. While this is a natural phonetic shift (nasalization), learners sometimes over-correct and make it sound clunky. Practice transitioning smoothly from the 'ng' to the 'r/l' sound.

Incorrect Particle Usage
Sometimes learners say '비능률적을 하다'. This is incorrect because '비능률적' is an adjective/noun, not a verb that takes '하다' directly as an action. It must be '비능률적이다' (to be inefficient) or '비능률적으로 행동하다' (to act inefficiently).

Wrong: 회의를 비능률적 했다.
Right: 회의가 비능률적이었다. (The meeting was inefficient.)

Finally, avoid overusing this word in casual settings. Using such a formal Sino-Korean word while hanging out with friends at a cafe might make you sound like you're giving a lecture. For everyday inefficiency, like taking the long way to the bathroom, '귀찮다' (bothersome) or '비효율적이다' (used more broadly) might be better, or simply '시간 낭비야' (it's a waste of time).

Casual Alternative: 이렇게 하면 시간 낭비야. (Doing it this way is a waste of time.)

By being aware of these distinctions—process vs. result, professional vs. casual, and phonetic nasalization—you will use '비능률적이다' correctly and impress native speakers with your nuanced vocabulary.

Korean has a rich set of words to describe various shades of inefficiency and waste. Depending on whether you want to emphasize the loss of time, the lack of results, or the sheer frustration of a slow process, you might choose a different word than 비능률적이다. Let's compare the most common alternatives.

비효율적이다 (bi-hyo-yul-jeok-i-da)
This is the closest synonym. While '비능률적' focuses on the *rate* of work (output/time), '비효율적' focuses on the *effectiveness* (output/input). If you spend $100 to make $10, that is 비효율적. If you take 10 hours to do a 1-hour task, that is 비능률적. In many casual contexts, however, Koreans use '비효율적' more broadly than '비능률적'.
소모적이다 (so-mo-jeok-i-da)
This word means 'wasteful' or 'exhaustive.' It is used when an activity drains resources (energy, emotions, money) without any positive gain. It is often used for '소모적인 논쟁' (a wasteful/draining argument). While '비능률적' implies a system can be improved, '소모적' often implies the activity should be stopped altogether.

Comparison:
1. 이 회의는 비능률적이다. (This meeting is slow/poorly organized.)
2. 이 논쟁은 소모적이다. (This argument is just draining us for no reason.)

If you want to be more casual, you can use 시간 낭비이다 (to be a waste of time). This is very common in daily speech. Another casual option is 뻘짓 (slang), which refers to doing something useless or foolish that yields no results. Use '뻘짓' only with very close friends as it is quite informal and can be slightly rude.

더디다 (deodida)
This native Korean verb means 'to be slow' or 'to be sluggish.' It describes a physical or procedural slowness. While '비능률적' implies a logical flaw, '더디다' simply describes the pace. '작업 속도가 더디다' (The work pace is slow).

구조가 복잡해서 진행이 더디다. (The progress is slow because the structure is complex.)

Lastly, consider 불합리하다 (to be irrational/unreasonable). Sometimes something is inefficient because it doesn't make logical sense. If a rule requires you to walk three miles to get a stamp, it is both '비능률적' (wastes time) and '불합리적' (lacks logic). Using '불합리하다' adds a layer of moral or logical critique to the inefficiency.

이런 불합리한 제도는 비능률을 초래한다. (Such irrational systems lead to inefficiency.)

Choosing the right word among these options shows that you understand not just the basic meaning of 'inefficient,' but also the specific *way* in which something is failing to be productive.

How Formal Is It?

趣味小知识

The character '率' (ryul) can also be pronounced 'sol' when it means 'to lead' (as in 'solsun-subeom'), but in 'efficiency' it is always 'ryul' or 'yul'.

发音指南

UK /bi.nɯŋ.njul.tɕʌk.i.da/
US /bi.nɯŋ.njul.tɕʌk.i.da/
Primary stress on the first syllable of the root '능' (neung).
押韵词
교육적이다 (gyo-yuk-jeok-i-da) 효율적이다 (hyo-yul-jeok-i-da) 열정적이다 (yeol-jeong-jeok-i-da) 긍정적이다 (geung-jeong-jeok-i-da) 부정적이다 (bu-jeong-jeok-i-da) 창의적이다 (chang-ui-jeok-i-da) 논리적이다 (nol-ri-jeok-i-da) 사회적이다 (sa-hoe-jeok-i-da)
常见错误
  • Pronouncing '률' as 'ryul' with a strong 'r' instead of the nasalized 'nyul' after '능'.
  • Stressing the 'bi' too much like an English prefix.
  • Skipping the 'k' sound in '적' before the 'i' of '이다'.
  • Confusing '능률' with '능력' (ability).
  • Making the 'eu' sound in 'neung' too much like 'oo'.

难度评级

阅读 4/5

Requires knowledge of Hanja-based academic vocabulary.

写作 5/5

Using it correctly in formal reports requires nuanced understanding of '적이다' grammar.

口语 4/5

Nasalization of '률' can be tricky for beginners.

听力 3/5

Common in news and office dramas, so exposure is high.

接下来学什么

前置知识

능률 비- (prefix) -적 (suffix) 이다 효율

接下来学习

생산성 최적화 합리적이다 경제적이다 효과적이다

高级

관료주의 기회비용 한계효용 부가가치

需要掌握的语法

N + 적이다 (Adjective formation)

경제 + 적이다 = 경제적이다 (To be economical)

-적 + 으로 (Adverb formation)

비능률적 + 으로 = 비능률적으로 (Inefficiently)

비- (Negative prefix)

비 + 정상 = 비정상 (Abnormal)

-성 (Noun suffix for quality/nature)

비능률적 + 성 = 비능률성 (Inefficiency)

이다 vs 하다 with Sino-Korean words

비능률적이다 (Adjective) vs 공부하다 (Verb)

按水平分级的例句

1

이 방법은 비능률적이에요.

This method is inefficient.

Simple [Subject] + [Adjective] ending.

2

공부가 너무 비능률적이야.

The studying is so inefficient.

Informal ending '이야'.

3

비능률적인 것은 싫어요.

I don't like inefficient things.

Noun modification '비능률적인' + '것'.

4

일이 비능률적입니다.

The work is inefficient.

Formal ending '입니다'.

5

이것은 비능률적인 방법입니다.

This is an inefficient way.

Noun modification '비능률적인'.

6

시간이 비능률적으로 흘러요.

Time is flowing inefficiently.

Adverbial form '비능률적으로'.

7

너무 비능률적이라서 힘들어요.

It's hard because it's so inefficient.

Reasoning ending '-이라서'.

8

비능률적인 행동은 하지 마세요.

Don't do inefficient actions.

Prohibitive '하지 마세요'.

1

컴퓨터가 느려서 비능률적이에요.

The computer is slow, so it's inefficient.

Connecting '-어서' for reason.

2

비능률적인 습관을 고치고 싶어요.

I want to fix my inefficient habits.

Desire ending '-고 싶다'.

3

이 길은 너무 비능률적이에요.

This road (route) is too inefficient.

Usage of '길' to mean route.

4

회의가 너무 길어서 비능률적입니다.

The meeting is too long, so it's inefficient.

Formal reason structure.

5

비능률적으로 일하지 마세요.

Don't work inefficiently.

Adverbial use in a command.

6

이 방식은 돈이 많이 들어서 비능률적이야.

This way costs a lot of money, so it's inefficient.

Informal reason structure.

7

비능률적인 시스템을 바꿔야 해요.

We need to change the inefficient system.

Necessity '-아야 해요'.

8

왜 그렇게 비능률적으로 해요?

Why are you doing it so inefficiently?

Question form with '왜'.

1

수동으로 입력하는 것은 매우 비능률적입니다.

Entering data manually is very inefficient.

Gerund '-는 것' as subject.

2

비능률적인 업무 프로세스를 개선합시다.

Let's improve the inefficient work processes.

Suggestive '-읍시다'.

3

시간을 비능률적으로 사용하는 습관이 있어요.

I have a habit of using time inefficiently.

Noun modification '습관' (habit).

4

그 계획은 비능률적이라서 승인되지 않았어요.

That plan was not approved because it was inefficient.

Passive voice '승인되지 않다'.

5

우리는 비능률적인 경쟁을 멈춰야 합니다.

We must stop inefficient competition.

Necessity '-아야 합니다'.

6

비능률적인 생산 방식이 문제입니다.

The inefficient production method is the problem.

Formal sentence with '문제' (problem).

7

비능률적으로 보일 수도 있지만 이게 최선이에요.

It might look inefficient, but this is the best way.

Concessive '-을 수도 있지만' (might... but).

8

그는 비능률적인 절차에 대해 불만을 제기했다.

He raised a complaint about the inefficient procedures.

Past tense '제기했다' (raised/filed).

1

에너지 낭비가 심한 비능률적인 건축 구조입니다.

It is an inefficient building structure with severe energy waste.

Complex noun modification.

2

비능률적인 관행을 타파하기 위해 노력하고 있습니다.

We are striving to break down inefficient customs/practices.

Purpose structure '-기 위해'.

3

이 프로그램은 메모리 관리가 비능률적이다.

This program is inefficient in its memory management.

Topic-comment structure.

4

비능률적인 의사결정 구조가 기업의 성장을 방해한다.

Inefficient decision-making structures hinder corporate growth.

Formal subject and verb '방해한다' (hinder).

5

과도한 서류 작업은 비능률을 초래할 뿐입니다.

Excessive paperwork only leads to inefficiency.

Limitative '-을 뿐이다' (only/nothing but).

6

비능률적으로 운영되는 공공기관이 많다.

There are many public institutions that are operated inefficiently.

Relative clause '운영되는'.

7

그의 연구 방식은 다소 비능률적인 측면이 있다.

His research method has some inefficient aspects.

Nuanced expression '측면이 있다' (has aspects).

8

비능률적인 자원 배분은 경제적 손실을 가져온다.

Inefficient resource allocation brings economic loss.

Economic terminology.

1

비능률적인 관료주의가 국가 경쟁력을 약화시키고 있다.

Inefficient bureaucracy is weakening national competitiveness.

Progressive tense '-고 있다'.

2

이러한 비능률적인 소모전은 양측 모두에게 해롭다.

This inefficient war of attrition is harmful to both sides.

Formal '양측 모두' (both sides).

3

비능률성을 극복하기 위한 다각적인 노력이 필요하다.

Multifaceted efforts are needed to overcome inefficiency.

Noun '비능률성' and adjective '다각적인'.

4

비능률적으로 설계된 도시는 교통 체증을 유발한다.

Inefficiently designed cities cause traffic congestion.

Causative verb '유발한다' (cause/induce).

5

기존 시스템의 비능률적인 요소를 면밀히 분석해야 한다.

We must closely analyze the inefficient elements of the existing system.

Adverb '면밀히' (closely/minutely).

6

비능률적인 교육 제도가 학생들의 창의성을 저해한다.

An inefficient educational system hinders students' creativity.

Abstract subject and verb '저해한다' (hinder/hamper).

7

그 정책은 비능률적일 뿐만 아니라 불공정하기까지 하다.

The policy is not only inefficient but even unfair.

Addictive '-을 뿐만 아니라 ... -기까지 하다'.

8

비능률적인 데이터 처리는 서버에 과부하를 준다.

Inefficient data processing overloads the server.

Technical term '과부하' (overload).

1

인간의 감정적 대응은 때로 비능률적으로 보일 수 있으나 필수적이다.

Human emotional responses may sometimes seem inefficient, but they are essential.

Philosophical contrast.

2

비능률의 극치라고 할 수 있는 이 건축물은 역설적으로 아름답다.

This building, which can be called the height of inefficiency, is paradoxically beautiful.

Idiomatic '비능률의 극치'.

3

자본주의 사회에서 비능률적인 존재로 낙인찍히는 것은 가혹하다.

Being branded as an inefficient being in a capitalist society is harsh.

Passive '낙인찍히다' (to be branded).

4

비능률적인 소통 방식이 빚어낸 오해는 걷잡을 수 없이 커졌다.

The misunderstanding created by inefficient communication methods grew uncontrollably.

Idiomatic '걷잡을 수 없이' (uncontrollably).

5

우리는 비능률적인 삶의 방식을 지양하고 지속 가능성을 추구해야 한다.

We must avoid inefficient lifestyles and pursue sustainability.

Formal verb '지양하다' (to avoid/reject).

6

비능률적인 법적 절차는 정의의 실현을 지연시킨다.

Inefficient legal procedures delay the realization of justice.

Abstract legal context.

7

비능률적인 에너지 대사 과정이 질병의 원인이 되기도 한다.

Inefficient energy metabolism processes can also be a cause of disease.

Scientific/Biological context.

8

그의 문체는 비능률적일 만큼 화려하고 장황했다.

His writing style was so ornate and wordy as to be inefficient.

Degree marker '-을 만큼'.

常见搭配

비능률적인 시스템
비능률적인 절차
비능률적인 시간 관리
비능률적인 방식
비능률을 초래하다
비능률을 타파하다
매우 비능률적이다
비능률적으로 운영되다
비능률적인 구조
비능률적인 습관

常用短语

비능률의 극치

— The ultimate example of inefficiency. Used to strongly criticize a terrible system.

이 서류 절차는 비능률의 극치다.

비능률적인 소모전

— An inefficient war of attrition. Used for arguments or competitions where both sides lose energy.

더 이상의 비능률적인 소모전은 무의미하다.

비능률적인 예산 집행

— Inefficient budget execution. Common in news reports about government waste.

정부의 비능률적인 예산 집행이 도마 위에 올랐다.

비능률적인 동선

— Inefficient movement path. Used in architecture or kitchen design.

주방의 동선이 너무 비능률적이에요.

비능률적인 암기

— Inefficient memorization. Common in educational contexts.

비능률적인 암기보다는 이해가 중요하다.

비능률적인 회의 문화

— Inefficient meeting culture. A common corporate complaint in Korea.

우리의 비능률적인 회의 문화를 바꿔야 합니다.

비능률적인 인력 배치

— Inefficient personnel placement. Used when people are in the wrong jobs.

비능률적인 인력 배치가 문제의 원인이다.

비능률적인 작업 환경

— Inefficient work environment. Used for messy or poorly equipped offices.

비능률적인 작업 환경에서는 창의성이 나오지 않는다.

비능률적인 에너지 소비

— Inefficient energy consumption. Used in environmental contexts.

비능률적인 에너지 소비를 줄여야 합니다.

비능률적인 데이터 처리

— Inefficient data processing. Used in IT and computer science.

알고리즘이 비능률적이라 속도가 느립니다.

容易混淆的词

비능률적이다 vs 비효과적이다

Means 'ineffective.' Focuses on not reaching the goal at all, whereas '비능률적' means reaching it slowly or wastefully.

비능률적이다 vs 비생산적이다

Means 'unproductive.' Often used for meetings or conversations that don't produce any new ideas or results.

비능률적이다 vs 불합리하다

Means 'unreasonable.' Focuses on the lack of logic or fairness in a system.

习语与表达

"밑 빠진 독에 물 붓기"

— Pouring water into a bottomless pot. Doing something completely inefficient and wasteful.

이 프로젝트에 돈을 더 쓰는 건 밑 빠진 독에 물 붓기야.

Idiomatic/Casual
"닭 잡는 데 소 잡는 칼 쓴다"

— Using a cow-butchering knife to kill a chicken. Using excessive/inefficient tools for a small task.

간단한 계산에 슈퍼컴퓨터를 쓰는 건 닭 잡는 데 소 잡는 칼 쓰는 격이다.

Idiomatic/Proverb
"공염불"

— Empty prayer. A useless, inefficient effort or talk that yields no result.

그의 약속은 결국 공염불이 되었다.

Idiomatic/Formal
"제자리걸음"

— Walking in place. Making no progress despite effort; peak inefficiency.

협상은 며칠째 제자리걸음이다.

Idiomatic/Common
"헛수고"

— Vain effort. Working hard but achieving nothing.

오늘 하루 종일 헛수고만 했다.

Neutral
"삽질하다"

— To shovel (slang). Doing something useless or inefficiently.

군대에서 하루 종일 삽질만 했다.

Slang
"연목구어 (緣木求魚)"

— Climbing a tree to catch a fish. An impossibly inefficient and wrong approach.

그 방법으로 성공을 바라는 건 연목구어다.

Literary (Hanja)
"수박 겉 핥기"

— Licking the outside of a watermelon. Inefficiently studying or doing something superficially.

공부를 수박 겉 핥기 식으로 하면 안 된다.

Idiomatic
"모기 보고 칼 빼기"

— Drawing a sword at a mosquito. Overreacting inefficiently to a small problem.

그건 모기 보고 칼 빼는 격이라 너무 비능률적이다.

Idiomatic/Proverb
"죽 쑤어 개 준다"

— Making porridge and giving it to the dog. Doing hard work only for someone else to benefit or for it to go to waste.

열심히 일했는데 결과가 없으니 죽 쑤어 개 준 꼴이다.

Idiomatic/Casual

容易混淆

비능률적이다 vs 능률 (Efficiency)

Sounds similar to 능력 (Ability).

능률 is about the rate of work; 능력 is about the power or skill to do work.

능력이 좋지만 방식이 비능률적이다. (He has great ability, but his method is inefficient.)

비능률적이다 vs 효율 (Efficiency/Effectiveness)

Often translated the same way in English.

효율 is input vs output (cost); 능률 is output vs time (speed).

연료 효율이 낮다 (Fuel efficiency is low).

비능률적이다 vs 비효율적 (Inefficient)

Used interchangeably in casual speech.

비효율적 is broader; 비능률적 is specifically about the work rate.

비효율적인 투자 (Inefficient investment).

비능률적이다 vs 소모적 (Wasteful)

Both involve waste.

소모적 implies something is being 'used up' or 'drained' for nothing.

소모적인 감정 싸움 (Wasteful emotional fight).

비능률적이다 vs 부적절 (Inappropriate)

Both start with '비/부' (negative).

부적절 means not suitable for the situation; 비능률 means slow/wasteful.

부적절한 발언 (Inappropriate remark).

句型

A1

이거 비능률적이에요.

이거 비능률적이에요. (This is inefficient.)

A2

[명사]은/는 너무 비능률적이에요.

이 방식은 너무 비능률적이에요. (This method is too inefficient.)

B1

[동사]는 것은 비능률적입니다.

손으로 쓰는 것은 비능률적입니다. (Writing by hand is inefficient.)

B1

비능률적으로 [동사]하지 마세요.

비능률적으로 일하지 마세요. (Don't work inefficiently.)

B2

비능률적인 [명사]를 개선하다.

비능률적인 시스템을 개선하다. (Improve the inefficient system.)

B2

비능률적이라서 [결과].

비능률적이라서 시간이 많이 걸려요. (Because it's inefficient, it takes a lot of time.)

C1

비능률을 초래하는 원인은 [명사]이다.

비능률을 초래하는 원인은 관료주의이다. (The cause of inefficiency is bureaucracy.)

C2

비능률의 극치라고 해도 과언이 아니다.

이 절차는 비능률의 극치라고 해도 과언이 아니다. (It is no exaggeration to say this procedure is the height of inefficiency.)

词族

名词

능률 (Efficiency/Work rate)
비능률 (Inefficiency)
비능률성 (Inefficient nature/Inefficiency as a concept)
능률성 (Efficient nature)

动词

능률을 올리다 (To increase efficiency)
능률이 오르다 (Efficiency increases)

形容词

능률적이다 (To be efficient)
비능률적이다 (To be inefficient)

相关

효율 (Effectiveness/Efficiency)
생산성 (Productivity)
최적화 (Optimization)
합리화 (Rationalization)
낭비 (Waste)

如何使用

frequency

High in professional and academic settings; Medium in daily life.

常见错误
  • Using '비능률적하다' instead of '비능률적이다'. 비능률적이다.

    '-적' words that function as adjectives always take '이다', not '하다'.

  • Saying '그는 비능률적이다' to mean he is lazy. 그는 게으르다 or 그의 일 처리가 비능률적이다.

    Calling a person '비능률적' sounds like calling them a machine. Use it for their methods instead.

  • Confusing '비능률적' with '비능력' (no ability). 비능률적 (inefficient) / 무능력 (incompetent).

    능률 is efficiency; 능력 is ability. '무능력' is for lack of ability.

  • Pronouncing it as 'bi-neung-ryul' with a clear 'r'. bi-neung-nyul (nasalized).

    The 'ㄹ' must change to 'ㄴ' after the 'ㅇ' sound.

  • Using '비능률적' for an ineffective medicine. 비효과적 (ineffective).

    '비능률적' is for work rate/process. Medicine is about the 'effect' (효과).

小贴士

Adverbial Usage

Always use '비능률적으로' before a verb. '비능률적으로 일하다' (To work inefficiently). This is a very common and natural pattern.

Learn the Root

Learn '능률' (efficiency) first. Once you know the root, the negative '비-' and the adjective '-적' become much easier to apply to other words.

Nasalization Practice

Practice the 'ng-n' transition. Say 'Neung-nyul' slowly, then speed up. Don't try to force a hard 'R' sound; it will sound unnatural.

Office Korean

This is a 'must-know' word for working in Korea. It's used in almost every meeting where improvements are discussed.

Formal Reports

When writing reports, use '비능률적인 요소를 제거하다' (Remove inefficient elements) to sound professional and proactive.

News Clues

News reporters love this word. When you hear it, they are usually talking about a waste of money or a slow government process.

Process vs. Result

Remember: 비능률적 is about the *way* you work. Even if you finish the task, if the way was bad, it was 비능률적.

The 'Bi-' Prefix

The prefix '비-' is your best friend. It negates the following word. 비정상 (abnormal), 비공식 (unofficial), 비인간적 (inhumane).

Visualizing Redundancy

Visualize a person using a giant crane to pick up a single grape. That visual will help you remember '비능률적이다'.

Efficiency in Korea

Understanding this word helps you understand Korean work culture. Efficiency is often prioritized over almost everything else.

记住它

记忆技巧

Think of a 'Bee' (비) that is 'Numb' (능) and 'Slow' (률). A numb bee is very inefficient!

视觉联想

Imagine a factory where the conveyor belt is going backwards. That is a '비능률적인' factory.

Word Web

Waste (낭비) Slow (느리다) System (시스템) Work (업무) Money (돈) Time (시간) Inefficient (비능률적) Productivity (생산성)

挑战

Try to find one thing in your house that is '비능률적' (like a messy drawer) and say '이 서랍은 너무 비능률적이야' out loud.

词源

Derived from Sino-Korean roots: 非 (bi) + 能 (neung) + 率 (ryul) + 的 (jeok) + 이다 (ida).

原始含义: 非 (Not/Non) + 能率 (Efficiency/Work rate) + 的 (Attribute suffix). Literally: 'To have the attribute of non-efficiency.'

Sino-Korean (Hanja-based)

文化背景

Avoid calling a person '비능률적' directly; it can sound like you are calling them a malfunctioning machine. Focus on their '일 처리' (work handling) instead.

In English, 'inefficient' can be used for people ('He is inefficient'), but in Korean, '비능률적' is much more focused on the *system* or *method*.

Modern Times (Charlie Chaplin) - A movie often used in Korea to discuss '비능률' vs '인간성'. Samsung's 'New Management' Declaration - A famous moment in Korean business history where '비능률' was targeted for elimination. God-saeng (갓생) - A modern Korean slang for a productive life, the opposite of a '비능률적인' life.

在生活中练习

真实语境

Office/Workplace

  • 회의가 비능률적이다
  • 업무 프로세스가 비능률적이다
  • 비능률을 개선하다
  • 비능률적인 보고 체계

Academic/Study

  • 비능률적인 공부법
  • 시간을 비능률적으로 쓰다
  • 비능률적인 암기
  • 학습 능률이 낮다

Technology/IT

  • 비능률적인 알고리즘
  • 메모리 사용이 비능률적이다
  • 비능률적인 코드
  • 시스템이 비능률적으로 작동하다

Economy/Government

  • 비능률적인 예산 사용
  • 비능률적인 행정 절차
  • 국가적 비능률
  • 비능률적인 자원 배분

Daily Life/Household

  • 비능률적인 가사 노동
  • 동선이 비능률적이다
  • 비능률적인 정리 정돈
  • 비능률적인 쇼핑

对话开场白

"요즘 회사에서 가장 비능률적이라고 생각하는 게 뭐예요?"

"한국어 공부할 때 비능률적인 방법은 뭐라고 생각하세요?"

"우리 회의 시간을 줄이는 게 좋겠어요. 지금은 너무 비능률적이에요."

"이 앱은 인터페이스가 너무 비능률적이지 않나요?"

"시간을 비능률적으로 쓰지 않기 위한 본인만의 팁이 있나요?"

日记主题

오늘 하루 중 가장 비능률적이었던 순간은 언제였나요? 왜 그렇게 느꼈나요?

나의 공부 습관 중에서 비능률적인 부분을 찾아보고 어떻게 개선할지 써보세요.

사회의 비능률적인 제도 하나를 골라 비판하고 대안을 제시해 보세요.

비능률적인 것이 항상 나쁜 것일까요? 가끔은 비능률이 주는 즐거움이 있나요?

미래의 기술이 어떻게 인간의 비능률적인 활동을 줄여줄 수 있을지 상상해 보세요.

常见问题

10 个问题

It is better to avoid calling a person '비능률적' directly as it sounds like you are treating them like a machine. Instead, say their '일 처리' (work handling) or '방식' (method) is inefficient. For example, '그의 작업 방식은 비능률적이다' is much more natural and polite than '그는 비능률적이다.'

While often used interchangeably, '비능률적' focuses on the rate of work (getting less done in a certain time), while '비효율적' focuses on the ratio of input to output (spending too much money or energy for the result). In modern Korean, '비효율적' is used more frequently in general contexts.

Yes, it is a critical word used to point out flaws in a system or method. However, in professional settings, it is seen as a constructive, objective critique rather than a personal insult.

You can use adverbs like '매우' (very), '상당히' (considerably), '지나치게' (excessively), or '극도로' (extremely). Example: '이 방법은 지나치게 비능률적입니다.'

The direct opposite is '능률적이다' (to be efficient). You can also use '효율적이다' (to be effective/efficient) or '생산적이다' (to be productive).

It is a bit formal. In casual conversation with friends, people might say '시간 낭비야' (it's a waste of time) or '너무 느려' (it's too slow). But you can use it if you want to sound smart or are discussing a serious topic.

非 (비 - not), 能 (능 - ability), 率 (률 - rate), and 的 (적 - target/attribute). Knowing these helps you understand dozens of other Korean words.

Yes, after a nasal sound like 'ㅇ' (ng), the 'ㄹ' (r/l) sound naturally changes to a nasal 'ㄴ' (n) sound to make it easier to pronounce. This is a standard rule in Korean phonology called nasalization.

Yes, you can say '컴퓨터가 비능률적으로 작동해요' or '비능률적인 시스템' when referring to technology that wastes resources or time.

Yes, '비능률' is a noun meaning 'inefficiency.' You can use it in phrases like '비능률의 제거' (removal of inefficiency).

自我测试 200 个问题

writing

Write a sentence in Korean: 'This method is inefficient.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'We must fix the inefficient system.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'Studying for a long time without a break is inefficient.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'Inefficient bureaucracy hinders growth.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'Don't waste time inefficiently.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'The meeting was very inefficient today.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'Manual labor is more inefficient than automation.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'I am looking for a more efficient way.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'The cause of the problem is the inefficient structure.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'He complained about the inefficient procedures.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'Inefficiency leads to loss.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'This is the height of inefficiency.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'The computer is inefficient because it is old.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'We need to improve work efficiency.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'Inefficient habits are hard to change.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'Why is this process so inefficient?'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'The company is operated inefficiently.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'The traffic system is inefficient.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'I hate inefficient things.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Write a sentence in Korean: 'Let's work more efficiently.'

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
speaking

Pronounce correctly: 비능률적이다.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Pronounce correctly: 비능률적인 시스템.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Pronounce correctly: 비능률적으로 일하지 마세요.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Talk about an inefficient habit you have.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Explain why manual labor can be '비능률적'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Give a formal critique: 'The meeting was inefficient.'

Read this aloud:

正确! 不太对。 正确答案:
speaking

Suggest an improvement: 'Let's change the inefficient way.'

Read this aloud:

正确! 不太对。 正确答案:
speaking

Pronounce: 비능률의 극치.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Ask a colleague why they work inefficiently.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Say: 'Inefficiency causes loss.'

Read this aloud:

正确! 不太对。 正确答案:
speaking

Pronounce: 비능률적인 예산 집행.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Say: 'This road is inefficient.'

Read this aloud:

正确! 不太对。 正确答案:
speaking

Say: 'I want to fix inefficient things.'

Read this aloud:

正确! 不太对。 正确答案:
speaking

Pronounce: 비능률성을 타파하다.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Say: 'Study efficiently.'

Read this aloud:

正确! 不太对。 正确答案:
speaking

Say: 'The computer is too inefficient.'

Read this aloud:

正确! 不太对。 正确答案:
speaking

Say: 'Paperwork is inefficient.'

Read this aloud:

正确! 不太对。 正确答案:
speaking

Say: 'Time is flowing inefficiently.'

Read this aloud:

正确! 不太对。 正确答案:
speaking

Say: 'Inefficient competition is bad.'

Read this aloud:

正确! 不太对。 正确答案:
speaking

Say: 'Why is it so inefficient?'

Read this aloud:

正确! 不太对。 正确答案:
listening

Listen and write the word: [비능률적이다]

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Listen and write the word: [비능률성]

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Listen and identify the meaning: '이건 비능률적이야.'

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Listen to a sentence and identify the subject: '회의가 비능률적이다.'

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Listen and identify the adverb: '비능률적으로 일해요.'

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Listen and identify the opposite: '능률적으로 하세요.'

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Listen and write: [비능률적인 시스템]

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Listen and write: [비능률을 초래하다]

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Listen and identify the reason: '오래되어서 비능률적이다.'

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Listen and write the modifier: [비능률적인]

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Listen and write: [비능률의 극치]

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Listen and identify the tone: '정말 비능률적이네요!'

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Listen and write: [비능률적인 절차]

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Listen and write: [능률을 올리다]

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Listen and write: [비능률적인 암기]

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:

/ 200 correct

Perfect score!

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