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B1 noun #4,000 پرکاربردترین 9 دقیقه مطالعه

유효성

رتبه 4,000

تمرین کن مثال‌ها نکات و راهنمایی‌ها 유효성 در ۳۰ ثانیه

توضیح 유효성 in your Level:

At the A1 level, '유효성' (yuhyoseong) might be too difficult as it is a formal noun. However, you will see its related adjective form '유효하다' (yuhyohada) on signs or tickets. It means 'valid.' For example, on a bus ticket, you might see a date followed by '유효,' meaning the ticket is good until that time. At this stage, just remember that this word is about things being 'okay to use' or 'working.' You don't need to use the noun '유효성' in your own sentences yet, but recognizing it on official documents will help you navigate Korea. Think of it as the 'Green Light' word—if something has '유효성,' it means the system says 'Yes, you can use this.'

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At the A2 level, you can start to understand '유효성' as the noun for 'validity.' You might encounter it when using a website in Korean. If you type a password incorrectly or if a code has expired, a message might pop up saying '유효성이 없습니다' (It is not valid). You should learn the phrase '유효 기간' (validity period), which is very common on food packaging and credit cards. While you still might use simpler words like '진짜' (real) or '괜찮아요' (it's okay), knowing '유효성' helps you understand formal announcements at airports, train stations, or on your smartphone when apps check your identity.

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At the B1 level, you should be able to use '유효성' in formal contexts like writing an essay or a business report. This is the level where you distinguish between '효과' (a general effect) and '유효성' (the formal quality of being effective or valid). You can use it to talk about the '유효성 검증' (verification of validity) of information you find online. For example, '인터넷 정보의 유효성을 확인해야 합니다' (We must check the validity of internet information). You are now moving beyond just 'is it good?' to 'is it verified and valid according to the rules?' This word is essential for passing the TOPIK II exam, especially in the writing section where formal vocabulary is required.

At the B2 level, you should use '유효성' with precision in professional and academic settings. You can discuss the '유효성' of a government policy or a scientific study. You should also be able to distinguish it from similar words like '실효성' (practical effectiveness) and '타당성' (feasibility). For instance, you might argue that a law has '법적 유효성' (legal validity) but lacks '실효성' (practical impact) because it is not being enforced. You will use this word in discussions about data integrity, medical trials, and legal contracts. Your sentences should look like: '이 연구 결과의 유효성을 입증하기 위해서는 더 많은 표본이 필요합니다' (More samples are needed to prove the validity of these research results).

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At the C1 level, '유효성' becomes a tool for nuanced analysis. you will use it to discuss '내적 유효성' (internal validity) and '외적 유효성' (external validity) in research methodology. You will understand how '유효성' relates to '신뢰도' (reliability) in statistics. You can use the word in complex sentence structures to critique the structural integrity of systems. You will often see it in legal precedents and high-level academic journals. You should be comfortable using it in the passive voice ('유효성이 상실되다') and in complex compound nouns. At this level, you are not just using the word; you are debating the criteria that define '유효성' in various philosophical and scientific frameworks.

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At the C2 level, you have a masterly command of '유효성' and its place within the broader spectrum of Korean Hanja-based terminology. You can use it to discuss the ontological validity of a concept or the systemic efficacy of an entire economic model. You understand the historical evolution of the term in Korean law and how it differs from Japanese or Chinese equivalents. You can use it in high-stakes negotiations, legal drafting, or philosophical discourse. You might use it metaphorically to describe the 'validity' of a person's life choices or cultural traditions in a changing world. Your usage is indistinguishable from that of a highly educated native speaker, reflecting a deep understanding of both the literal and connotative power of the word.

برای خواندن توضیح کامل رایگان ثبت‌نام کنید

تمرین کن مثال‌ها نکات و راهنمایی‌ها

유효성 در ۳۰ ثانیه

유효성 means 'validity' or 'effectiveness' in formal contexts like law, science, and technology.
It is a Sino-Korean word consisting of 有 (have), 效 (effect), and 性 (quality).
Commonly used phrases include '유효성 검사' (validation) and '유효 기간' (validity period).
It differs from '효율성' (efficiency) which focuses on speed and cost rather than just working.

The Korean word 유효성 (Yuhyoseong) is a sophisticated noun that bridges the gap between everyday utility and academic precision. At its core, it translates to 'validity' or 'effectiveness.' To understand it fully, we must look at its Hanja roots: 유 (有 - to have), 효 (效 - effect/efficacy), and 성 (性 - nature/quality). Literally, it refers to 'the quality of having an effect.' In the context of modern Korean, it is used to describe whether something—be it a contract, a scientific theory, a medicine, or a digital password—is currently functioning according to its intended purpose and legal or logical standing.

Legal Context: In legal settings, 유효성 refers to the 'validity' of a document or agreement. If a contract lacks 유효성, it means it is null and void, having no binding power over the parties involved. Lawyers often speak about the '유효성 검증' (verification of validity) of evidence or testimony.

이 계약서의 법적 유효성을 확인해야 합니다. (We must confirm the legal validity of this contract.)

Scientific and Medical Context: In clinical trials or research, 유효성 refers to 'efficacy.' It answers the question: Does this drug actually produce the desired result? Scientists measure the 유효성 of a vaccine by observing how well it prevents infection compared to a placebo. It is a critical metric for getting approval from regulatory bodies like the FDA.

Beyond these specialized fields, you will encounter this word in technology. For instance, when you enter a 'one-time password' (OTP), the system checks the 유효성 of that code. If the code has expired, it no longer possesses 유효성. This concept of 'temporal validity' is a very common way the word is used in daily digital life. It is not just about whether something works, but whether it is *allowed* to work at this specific moment in time.

입력하신 인증 번호의 유효성이 만료되었습니다. (The validity of the verification number you entered has expired.)

Social and Policy Context: When the government implements a new policy, experts debate its 유효성. They look at whether the policy is actually solving the problem it was designed for. In this case, it is synonymous with 'practicality' or 'actual impact.'

Using 유효성 correctly involves understanding its role as a formal noun. Because it is a Hanja-based word (Sino-Korean), it frequently pairs with formal verbs like 검증하다 (to verify), 입증하다 (to prove), 평가하다 (to evaluate), and 상실하다 (to lose). It is rarely used in casual, slang-heavy conversation, but it is the standard choice in reports, news broadcasts, and professional emails.

새로운 치료법의 유효성을 입증하기 위해 추가 연구가 필요합니다. (Further research is needed to prove the effectiveness of the new treatment method.)

One of the most common grammatical patterns is [Noun] + 의 + 유효성. This attributes the quality of validity to a specific object or concept. For example, '데이터의 유효성' (validity of data) or '자격증의 유효성' (validity of a certificate). When you want to talk about checking this validity, you use the object particle '을/를' followed by '검사하다' (check) or '확인하다' (confirm).

Common Verb Pairings: 1. 유효성을 검증하다 (To verify validity)
2. 유효성을 인정받다 (To have validity recognized)
3. 유효성을 잃다 (To lose validity/effectiveness)
4. 유효성을 확보하다 (To secure/ensure effectiveness)

이 쿠폰은 이미 사용되어 유효성을 상실했습니다. (This coupon has already been used and has lost its validity.)

In academic writing, you might see '내적 유효성' (internal validity) and '외적 유효성' (external validity). These are technical terms used in statistics and social sciences to describe the integrity of an experiment's design and the generalizability of its results. Here, '유효성' acts as a metric for truth and reliability.

When discussing time limits, such as a passport or a credit card, you might hear '유효 기간' (validity period). While '유효' is the adjective form ('valid'), '유효성' is the noun form ('validity'). If a passport is past its '유효 기간', it no longer has '유효성'. This relationship between the adjective and noun forms is vital for expanding your vocabulary.

Advanced Usage: In software engineering, 'Data Validation' is translated as '데이터 유효성 검사'. This process ensures that the input data matches the required format and constraints before it is processed by the application.

시스템이 입력된 이메일 주소의 유효성을 체크합니다. (The system checks the validity of the entered email address.)

While you might not hear 유효성 while buying tteokbokki at a street stall, it is ubiquitous in the professional and institutional life of South Korea. If you work in a Korean office, watch the news (KBS, MBC, SBS), or study at a Korean university, this word will appear daily. It is a 'power word' that signifies rigorous evaluation and objective standards.

1. The News and Media: News anchors often use '유효성' when reporting on government policies or scientific breakthroughs. You might hear: '이번 정책의 유효성에 대해 전문가들 사이에서 의견이 갈리고 있습니다' (Opinions among experts are divided regarding the effectiveness of this policy).

백신의 유효성 논란이 계속되고 있습니다. (The controversy over the effectiveness of the vaccine continues.)

2. Corporate and Tech Environments: In a business meeting at a company like Samsung or Naver, '유효성' is used to discuss the ROI (Return on Investment) of a marketing campaign or the reliability of a new software feature. '우리는 이 데이터의 유효성을 신뢰할 수 있습니까?' (Can we trust the validity of this data?) is a common question during data-driven decision making.

Another place you will frequently encounter this word is in the context of 'Certificates' (자격증). Korea is a certification-heavy society. Whether it's the TOPIK (Test of Proficiency in Korean) or a computer literacy license, these certificates have a '유효 기간' (validity period). If you try to submit an expired certificate for a job application, the HR department will tell you that the document lacks '유효성'.

공인 성적표의 유효성을 확인해 주세요. (Please check the validity of your official transcript.)

3. Legal and Formal Agreements: When signing a rental agreement (Jeonse/Wolse) in Korea, the realtor will verify the '유효성' of the landlord's identification and the property's registration. This ensures the transaction is legally sound and protects the tenant.

In summary, '유효성' is the word of 'The System.' It is heard whenever a person or a machine is checking if something is 'real,' 'working,' or 'legal.' It represents the Korean society's emphasis on formal procedures and verified results.

Learners of Korean often struggle with 유효성 because it overlaps with several other words that also mean 'effect' or 'efficiency.' Choosing the wrong one can make a sentence sound unnatural or technically incorrect. The most common mistake is confusing 유효성 (Validity/Effectiveness) with 효율성 (Efficiency).

유효성 vs. 효율성: 유효성 (Effectiveness/Validity): Does it work? Is it valid? (Focus on the result/status).
효율성 (Efficiency): Does it work with minimal waste? (Focus on the ratio of input to output).
Mistake: Using '효율성' when you mean a contract is valid. Correct: '계약의 유효성'.

이 기계는 효율성은 높지만, 현재 부품이 없어 유효성을 잃었습니다. (This machine is highly efficient, but it has lost its effectiveness because it currently lacks parts.)

Another common error is using '유효성' when the simpler word '효과' (effect) is more appropriate. '효과' is a general term for a result. If you drink coffee and feel awake, that is an '효과'. You wouldn't typically say the '유효성' of the coffee unless you were a scientist conducting a formal study on caffeine. Using '유효성' in casual contexts can make you sound like a robot or a textbook.

Grammatical Particle Errors: Learners often forget that '유효성' is a noun. They might try to use it like a verb. Remember: You cannot say '이 약은 유효성해요' (Incorrect). You must say '이 약은 유효합니다' (The drug is valid/effective - adjective) or '이 약의 유효성이 확인되었습니다' (The effectiveness of this drug was confirmed - noun).

Finally, be careful with the word '타당성' (feasibility/validity). In logic and research, '타당성' and '유효성' are close, but '타당성' often refers to whether a premise leads logically to a conclusion, whereas '유효성' is more about the practical validity or functioning of a system or rule.

연구의 타당성과 결과의 유효성을 모두 검토해야 합니다. (We must review both the feasibility/validity of the research and the effectiveness/validity of the results.)

To master Korean, you need to know when to swap 유효성 for a synonym that fits the context more precisely. Korean has many words for 'validity' and 'effectiveness,' each with a slightly different nuance.

1. 실효성 (Practical Effectiveness): This word is used when you want to emphasize whether something actually works in practice, rather than just being valid on paper. If a government passes a law but has no way to enforce it, critics will say the law lacks '실효성'.
Example: '이 정책은 실효성이 부족하다.' (This policy lacks practical effectiveness.)
2. 타당성 (Feasibility / Logical Validity): Use this when discussing whether a plan is reasonable or if an argument is logically sound. It is often used in '타당성 조사' (feasibility study).
Example: '사업의 타당성을 검토 중입니다.' (We are reviewing the feasibility of the project.)
3. 정당성 (Legitimacy / Justification): This refers to moral or legal 'rightness.' While '유효성' is about whether something *works* or is *valid*, '정당성' is about whether it is *fair* or *right*.
Example: '그 조치의 정당성을 인정할 수 없다.' (I cannot acknowledge the legitimacy of that measure.)

법적으로는 유효성이 있지만, 도덕적으로는 정당성이 부족합니다. (It has legal validity, but it lacks moral legitimacy.)

In more casual settings, you can use 효과 (Effect) or 효능 (Efficacy - usually for medicine or food). If you are talking about a skincare product, '효능' is the most natural choice. If you are talking about the result of a diet, '효과' is best.

By understanding these distinctions, you can navigate professional Korean environments with much greater precision. Choosing '유효성' shows that you are thinking about the formal status and verified power of the subject at hand.

چقدر رسمی است؟

نکته جالب

The character '효' (效) also appears in '학교' (School) in some contexts, but there it means 'to imitate/learn'. Here it means 'result'.

راهنمای تلفظ

UK /ju.çjo.sʌŋ/

US /ju.hjo.sʌŋ/

In Korean, stress is generally even, but the 'seong' (성) often sounds slightly stronger because of the fortis pronunciation of the preceding consonant [ㅆ] in connected speech.

هم‌قافیه با

가능성 (Possibility) 중요성 (Importance) 필요성 (Necessity) 투명성 (Transparency) 안전성 (Stability/Safety) 일관성 (Consistency) 도덕성 (Morality) 전문성 (Professionalism)

خطاهای رایج

Pronouncing '유효' (yu-hyo) as three syllables (yu-hi-o). It is two syllables.
Mispronouncing '성' (seong) as 'song' or 'sung'.
Forgetting the tense 'ss' sound that often occurs after the 'hyo' vowel: [유효썽].
Confusing it with '유호' (yu-ho).
Swapping the vowels in '효' to '호'.

سطح دشواری

خواندن 7/5

Common in news and documents, but requires knowledge of Hanja-based vocabulary.

نوشتن 8/5

Requires understanding of formal verb pairings like '입증' and '검증'.

صحبت کردن 6/5

Not common in daily speech, but essential for professional meetings.

گوش دادن 7/5

Can be confused with '효율성' in fast speech.

بعداً چه یاد بگیریم؟

پیش‌نیازها

효과 (Effect) 있다 (To exist) 성질 (Nature/Quality) 기간 (Period) 확인 (Confirmation)

بعداً یاد بگیرید

실효성 (Practical effectiveness) 타당성 (Feasibility) 신뢰도 (Reliability) 객관성 (Objectivity) 투명성 (Transparency)

پیشرفته

존재론 (Ontology) 방법론 (Methodology) 귀무가설 (Null hypothesis) 인과관계 (Causality)

گرامر لازم

Noun + 의 (Possessive)

계약의 유효성 (Validity of the contract)

Noun + 을/를 + Verb (Object)

유효성을 검증하다 (To verify validity)

Passive voice with ~되다

유효성이 입증되었다 (Validity was proven)

~에 대한 (About/Regarding)

유효성에 대한 논란 (Controversy regarding validity)

~로서의 (As a...)

증거로서의 유효성 (Validity as evidence)

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مثال‌ها بر اساس سطح

이 표는 오늘까지 유효합니다.

This ticket is valid until today.

Uses the adjective form '유효하다'.

유효 기간이 언제예요?

When is the expiration date?

'유효 기간' is a common compound noun.

비밀번호가 유효하지 않아요.

The password is not valid.

Negative form of the adjective.

이 카드는 유효해요?

Is this card valid?

Simple question form.

유효한 여권이 필요합니다.

You need a valid passport.

Adjective modifying a noun.

쿠폰의 유효성을 확인하세요.

Check the validity of the coupon.

Noun + 을/를 확인하다.

이 약은 유효합니까?

Is this medicine effective/valid?

Formal question form.

유효 시간이 끝났습니다.

The valid time has ended.

'유효 시간' means validity time.

인증 번호의 유효성이 만료되었습니다.

The validity of the verification number has expired.

Uses '만료되다' (to expire).

이 계약은 유효성이 없습니다.

This contract has no validity.

Noun + 이/가 없다.

유효 기간을 꼭 확인하세요.

Make sure to check the expiration date.

Imperative form.

데이터의 유효성을 체크해요.

Check the validity of the data.

Casual formal (해요체).

아직 유효한 티켓이에요.

It is still a valid ticket.

Adjective form with '아직'.

이메일 주소의 유효성을 검사합니다.

Checking the validity of the email address.

Uses '검사하다' (to inspect).

유효성이 확인된 정보만 믿으세요.

Trust only information whose validity has been confirmed.

Passive participle modifying a noun.

사용자 아이디의 유효성을 묻습니다.

Asking about the validity of the user ID.

Standard formal (하십시오체).

이 실험 결과의 유효성을 증명해야 합니다.

We must prove the validity of these experimental results.

Uses '증명하다' (to prove).

새로운 법률의 유효성에 대해 토론합시다.

Let's discuss the effectiveness of the new law.

Noun + 에 대해 (about).

설문 조사의 유효성을 높이기 위해 노력했습니다.

We worked hard to increase the validity of the survey.

Uses '높이다' (to increase/heighten).

그의 주장은 유효성이 부족해 보입니다.

His argument seems to lack validity.

Uses '부족하다' (to be lacking).

데이터 유효성 검사에서 오류가 발생했습니다.

An error occurred during the data validation check.

Compound noun '데이터 유효성 검사'.

이 약의 유효성은 이미 입증되었습니다.

The effectiveness of this drug has already been proven.

Uses '입증되다' (to be proven).

자격증의 유효성을 유지하려면 갱신해야 합니다.

You must renew your certificate to maintain its validity.

Uses '유지하다' (to maintain).

제안된 정책의 유효성을 평가하고 있습니다.

We are evaluating the effectiveness of the proposed policy.

Uses '평가하다' (to evaluate).

연구 방법론의 내적 유효성을 강화해야 합니다.

We need to strengthen the internal validity of the research methodology.

'내적 유효성' is a technical term.

이 조치는 실효성보다는 유효성에 초점이 맞춰져 있습니다.

This measure is focused on validity rather than practical effectiveness.

Comparison between '실효성' and '유효성'.

해당 계약은 절차적 결함으로 인해 유효성을 상실했습니다.

The contract lost its validity due to a procedural defect.

Uses '상실하다' (to lose/forfeit).

시스템의 보안 유효성을 정기적으로 점검합니다.

We regularly check the security effectiveness of the system.

Uses '점검하다' (to inspect/check).

통계적 유효성을 확보하기 위해 표본 크기를 늘렸습니다.

The sample size was increased to ensure statistical validity.

Uses '확보하다' (to secure/ensure).

전문가들은 이 치료법의 장기적 유효성을 의심합니다.

Experts doubt the long-term effectiveness of this treatment.

Uses '의심하다' (to doubt).

이 증거는 법정에서 유효성을 인정받지 못했습니다.

This evidence was not recognized as valid in court.

Uses '인정받다' (to be recognized).

프로토콜의 유효성을 검증하는 과정이 필수적입니다.

The process of verifying the validity of the protocol is essential.

Uses '검증하다' (to verify).

본 연구는 측정 도구의 안면 유효성을 확보하는 데 주력하였다.

This study focused on ensuring the face validity of the measurement tools.

'안면 유효성' (face validity) is a specific academic term.

정책의 유효성 논의는 사회적 합의를 전제로 해야 합니다.

Discussions on policy effectiveness must be predicated on social consensus.

Uses '전제로 하다' (to predicate/presuppose).

디지털 서명의 기술적 유효성은 암호화 알고리즘에 달려 있습니다.

The technical validity of digital signatures depends on encryption algorithms.

Uses '에 달려 있다' (depends on).

심리 검사의 유효성을 저해하는 요인들을 분석했습니다.

We analyzed factors that hinder the validity of psychological tests.

Uses '저해하다' (to hinder/impede).

이 이론의 보편적 유효성은 아직 학계에서 논란 중입니다.

The universal validity of this theory is still under debate in academia.

Uses '보편적' (universal).

행정 처분의 유효성을 다투는 소송이 제기되었습니다.

A lawsuit was filed contesting the validity of the administrative action.

Uses '다투다' (to contest/dispute).

데이터 클렌징을 통해 분석의 유효성을 극대화했습니다.

We maximized the validity of the analysis through data cleansing.

Uses '극대화하다' (to maximize).

질적 연구에서 유효성 개념은 '신빙성'으로 대체되기도 한다.

In qualitative research, the concept of validity is sometimes replaced by 'credibility'.

Uses '대체되다' (to be replaced).

법치주의 국가에서 공권력 행사의 유효성은 헌법적 정당성에 근거해야 한다.

In a state governed by the rule of law, the validity of the exercise of public power must be based on constitutional legitimacy.

High-level political/legal discourse.

존재론적 유효성을 상실한 낡은 이데올로기가 사회를 지배하고 있다.

An old ideology that has lost its ontological validity is dominating society.

Philosophical usage.

해당 조약의 유효성 여부는 국제법적 관례에 따라 해석되어야 마땅하다.

Whether the treaty is valid should rightfully be interpreted according to international law practices.

Uses '마땅하다' (to be appropriate/rightful).

시장 메커니즘의 유효성에 대한 맹신이 경제 위기를 초래했다는 지적이 있다.

Some point out that blind faith in the effectiveness of market mechanisms led to the economic crisis.

Uses '맹신' (blind faith).

담론의 유효성은 그것이 생산되는 권력 관계 속에서 규정된다.

The validity of discourse is defined within the power relations in which it is produced.

Sociological/Philosophical context.

과학적 패러다임의 유효성은 새로운 변칙 사례들의 등장으로 위협받는다.

The validity of a scientific paradigm is threatened by the emergence of new anomalous cases.

Philosophy of science context.

언어적 유효성은 화자와 청자 사이의 공유된 맥락을 필요로 한다.

Linguistic validity requires a shared context between the speaker and the listener.

Linguistic theory context.

규범의 유효성이 집단적 승인에 의해 지탱되는 과정을 고찰하였다.

We examined the process by which the validity of norms is sustained by collective approval.

Uses '고찰하다' (to examine/consider deeply).

مترادف‌ها

타당성 효과성 실효성 정당성

متضادها

무효 부적절

ترکیب‌های رایج

유효성을 검증하다

유효성을 입증하다

유효성을 상실하다

유효성을 인정하다

유효성을 평가하다

내적 유효성

외적 유효성

법적 유효성

데이터 유효성

유효성을 의심하다

عبارات رایج

유효 기간

— The period during which something is valid. Very common on food and IDs.

유효 기간이 지난 우유는 버리세요.

유효 숫자

— Significant figures in mathematics and science.

유효 숫자를 세 자리로 맞추세요.

유효 투표

— A valid vote in an election.

유효 투표 수가 과반을 넘었습니다.

유효 득점

— A valid point or goal in sports.

그 슛은 유효 득점으로 인정되었습니다.

유효 범위

— Effective range or scope.

와이파이의 유효 범위가 좁습니다.

유효 수요

— Effective demand in economics.

유효 수요를 창출하는 것이 과제입니다.

유효 타격

— A valid hit in combat sports like boxing.

유효 타격 횟수에서 앞서고 있습니다.

유효 적절

— Being effective and appropriate.

유효 적절한 조치를 취해야 합니다.

유효 면적

— Effective area or usable space.

이 건물의 유효 면적은 꽤 넓습니다.

유효 성분

— Active ingredient in medicine.

이 약의 유효 성분을 확인하세요.

اغلب اشتباه گرفته می‌شود با

유효성 vs 효율성

Efficiency (ratio of input to output). Don't use it for legal validity.

유효성 vs 실효성

Practical effectiveness. Use this for whether a policy actually works in the field.

유효성 vs 타당성

Feasibility or logical soundness. Use this for plans or arguments.

اصطلاحات و عبارات

"유효 기간이 지나다"

— To be outdated or no longer useful (metaphorically).

그의 아이디어는 이미 유효 기간이 지났다.

Neutral

"약발이 떨어지다"

— The 'medicine effect' has worn off (similar to losing 유효성).

이제 그 핑계도 약발이 떨어졌어.

Informal

"말이 씨가 된다"

— Words become seeds (words have the power/validity to become reality).

나쁜 말 하지 마, 말이 씨가 된다고 하잖아.

Neutral

"도장을 찍다"

— To stamp a seal (to finalize the validity of an agreement).

드디어 계약서에 도장을 찍었습니다.

Neutral

"물 건너가다"

— To cross the water (opportunity has lost its validity/chance).

이번 기회는 이미 물 건너갔어.

Informal

"씨도 안 먹히다"

— Even the seed doesn't work (an argument has zero validity/effect).

그의 거짓말은 이제 씨도 안 먹혀.

Slang

"눈 가리고 아웅"

— Covering eyes and saying 'meow' (trying to maintain fake validity).

그건 눈 가리고 아웅 하는 식의 대책이야.

Neutral

"빛 좋은 개살구"

— A wild apricot with a good color (looks valid but has no substance).

그 정책은 빛 좋은 개살구일 뿐이다.

Neutral

"뿌리 깊은 나무"

— A deep-rooted tree (having strong, lasting validity/foundation).

우리의 우정은 뿌리 깊은 나무와 같다.

Literary

"천금 같은 기회"

— An opportunity worth a thousand gold pieces (a highly valid/valuable chance).

이건 천금 같은 기회이니 놓치지 마.

Neutral

به‌راحتی اشتباه گرفته می‌شود

유효성 vs 효과

Both relate to 'effect'.

효과 is the result itself; 유효성 is the quality of being able to produce that result or being valid.

약의 효과가 좋다 vs 약의 유효성을 입증하다.

유효성 vs 효능

Both relate to effectiveness.

효능 is specifically for the power of medicine or food; 유효성 is more general and includes legal/digital validity.

화장품의 효능 vs 계약의 유효성.

유효성 vs 유용성

Sounds similar.

유용성 means 'usefulness' (how helpful something is), while 유효성 means 'validity' (whether it works/is allowed).

도구의 유용성 vs 티켓의 유효성.

유효성 vs 정당성

Both relate to being 'correct'.

정당성 is about moral or legal rightness; 유효성 is about functional or legal standing.

전쟁의 정당성 vs 조약의 유효성.

유효성 vs 신뢰성

Both are desirable qualities in data.

신뢰성 is about consistency/reliability; 유효성 is about accuracy/validity.

측정의 신뢰성 vs 결과의 유효성.

الگوهای جمله‌سازی

[Noun]의 유효 기간은 [Time]까지입니다.

이 카드의 유효 기간은 내년까지입니다.

[Noun]의 유효성을 확인해야 합니다.

데이터의 유효성을 확인해야 합니다.

[Noun]은/는 유효성이 없습니다.

이 주장은 유효성이 없습니다.

[Noun]의 유효성을 입증하기 위해 [Action]합니다.

약의 유효성을 입증하기 위해 실험을 합니다.

[Noun]으로 인해 유효성을 상실했습니다.

기간 만료로 인해 유효성을 상실했습니다.

[Noun]의 유효성에 대한 논란이 일고 있습니다.

정책의 유효성에 대한 논란이 일고 있습니다.

[Noun]의 유효성을 검증하는 과정이 필요합니다.

방법론의 유효성을 검증하는 과정이 필요합니다.

[Noun]은/는 [Context] 측면에서 유효성을 인정받았습니다.

이 이론은 학술적 측면에서 유효성을 인정받았습니다.

خانواده کلمه

اسم‌ها

유효 (Validity)

유효성 (Effectiveness/Validity)

무효 (Invalidity)

효력 (Effect/Force)

효과 (Effect)

فعل‌ها

유효하다 (To be valid)

무효화하다 (To invalidate)

발효되다 (To come into effect)

صفت‌ها

유효한 (Valid)

무효인 (Invalid)

مرتبط

검증 (Verification)

입증 (Proof)

만료 (Expiration)

기간 (Period)

갱신 (Renewal)

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نحوه استفاده

frequency

Common in professional, legal, and academic domains. Medium-high frequency in news.

اشتباهات رایج

Using '유효성' for 'Efficiency'. → 효율성
Efficiency is about speed/cost; Validity/Effectiveness is 유효성.
Saying '유효성해요'. → 유효합니다
유효성 is a noun. Use the adjective 유효하다 or the noun + verb pattern.
Confusing '유효성' with '유용성'. → 유효성 (for validity)
유용성 means usefulness. They are different concepts.
Pronouncing it as '유호성'. → 유효성
The second syllable is 'Hyo' (효), not 'Ho' (호).
Using '유효성' in very casual talk. → 효과
In casual talk, '유효성' sounds unnaturally stiff.

نکات

Noun Formation

Adding '~성' to '유효' turns the adjective 'valid' into the noun 'validity'. This is a common pattern for abstract nouns in Korean.

Business Korean

In meetings, always ask '이 데이터의 유효성이 검증되었나요?' to sound like a thorough and professional employee.

Hanja Roots

Remember '유' (有) means 'to have'. If you see a word starting with '유', it often means 'having [something]'.

Tense Sound

Don't forget the tense 'ss' sound in [유효썽]. It makes you sound much more like a native speaker.

Medical Context

When reading about vaccines or drugs, '유효성' is the standard word for 'efficacy'.

Contracts

Always check the '유효 기간' before signing any contract in Korea.

IT Terms

If you are a programmer, learn '유효성 검사' for 'input validation'.

Policy Debates

When discussing politics, '유효성' is a key word for debating if a law is actually working.

Research

In research, '유효성' (validity) and '신뢰성' (reliability) are the two pillars of good data.

Shopping

Check the '유효 기간' on milk and coupons to save money and stay healthy!

حفظ کنید

روش یادسپاری

Think of 'YOU' (유) + 'HYO' (Hyo sounds like 'High' effect) + 'SEONG' (Song - the quality of the song). A 'YOU-HIGH-SONG' is a valid hit!

تداعی تصویری

Imagine a green 'Checked' mark on a document. That checkmark represents the 유효성 of the paper.

شبکه واژگان

법 (Law) 계약 (Contract) 데이터 (Data) 약 (Medicine) 검증 (Verify) 만료 (Expire) 기간 (Period) 진짜 (Real)

چالش

Try to find 3 items in your house that have a '유효 기간' (expiration date) and say '이 물건의 유효성을 확인했어요' out loud.

ریشه کلمه

Sino-Korean word derived from three Hanja characters. It has been used in Korean legal and administrative texts for centuries.

معنای اصلی: The nature of possessing an effect.

Sino-Korean (Hanja)

بافت فرهنگی

No specific sensitivities, but using it in very casual settings might make you sound overly formal or condescending.

While English speakers use 'validity' and 'effectiveness' separately, Korean often uses '유효성' for both, depending on context.

The term is frequently used in the 'Korean Pharmacopoeia' (대한민국 약전). Commonly found in the 'Civil Act of Korea' (민법). Used in Korean ISO standards for quality management.

تمرین در زندگی واقعی

موقعیت‌های واقعی

Science/Medicine

임상 시험의 유효성
유효 성분 함량
유효성을 입증하다
통계적 유효성

Law/Contracts

법적 유효성
계약의 유효성
유효성을 상실하다
유효 기간

Technology/IT

데이터 유효성 검사
비밀번호 유효성
유효한 토큰
시스템 유효성

Government/Policy

정책의 유효성
실효성 있는 대책
유효성을 평가하다
사회적 유효성

Education/Testing

시험의 유효성
자격증 유효 기간
성적표의 유효성
측정의 유효성

شروع‌کننده‌های مکالمه

"이 데이터의 유효성을 어떻게 확인할 수 있을까요? (How can we check the validity of this data?)"

"새로운 정책의 유효성에 대해 어떻게 생각하세요? (What do you think about the effectiveness of the new policy?)"

"이 계약서의 법적 유효성은 언제까지인가요? (Until when is the legal validity of this contract?)"

"연구 결과의 유효성을 높이려면 무엇을 해야 할까요? (What should we do to increase the validity of the research results?)"

"자격증 유효 기간이 지났는데, 유효성을 살릴 방법이 있나요? (My certificate expired; is there a way to restore its validity?)"

موضوعات نگارش

오늘 내가 한 일들 중에서 가장 유효성이 높았던 것은 무엇인가요? (What was the most effective thing I did today?)

인터넷에서 본 정보의 유효성을 확인하는 나만의 방법은 무엇인가요? (What is my own way of checking the validity of information I see on the internet?)

내가 가진 자격증들의 유효 기간을 정리해보고, 갱신이 필요한 것을 찾아보세요. (List the validity periods of your certificates and find which ones need renewal.)

최근 정부가 발표한 정책 중 유효성이 의심되는 것이 있나요? 그 이유는 무엇인가요? (Is there a recently announced government policy whose effectiveness you doubt? Why?)

친구와의 약속에서 '유효성'은 어떤 의미를 가질까요? (What does 'validity' mean in a promise with a friend?)

سوالات متداول

10 سوال

Generally, no. You don't talk about a person's 'validity.' You might talk about the '유효성' of their arguments or their '전문성' (professionalism), but not the person themselves.

In Excel, this is called 'Data Validation.' It is a feature that restricts what users can enter into a cell (e.g., only numbers, only dates).

You can say '표가 무효입니다' or '표가 유효하지 않습니다.' Using '유효성이 없습니다' is also correct but sounds more formal.

No. Efficiency is '효율성' (doing things with less waste). Effectiveness/Validity is '유효성' (achieving the goal/being valid).

Use 실효성 when you want to emphasize that something works in real life, not just in theory. For example, a 'practical' solution to traffic.

No. While it often applies to expiration dates (time), it also applies to the logic of an argument, the correctness of data, and the legal power of a document.

It's better to use '효능' (efficacy) or '효과' (effect) for skincare. '유효성' sounds a bit too clinical for a casual beauty review.

Yes, it is very common in TOPIK II (Intermediate/Advanced) reading and writing sections, especially in topics related to society and science.

It means a 'valid goal' that has been counted by the referee.

Yes, but it sounds very formal, as if you are analyzing your own thoughts as a research subject. In casual talk, say '내 생각이 맞는지' (if my thought is right).

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