부작용
An unintended, unpleasant, or harmful result of a drug, medical treatment, or even a policy or action.
Examples
3 of 5성급한 정책 시행은 예상치 못한 부작용을 낳았다.
Hasty policy implementation produced unexpected side effects.
성형 수술 전에 부작용에 대한 충분한 설명을 들어야 한다.
Before plastic surgery, you must hear a sufficient explanation about side effects.
과도한 경쟁은 인간관계 단절이라는 부작용을 초래한다.
Excessive competition causes the side effect of severed human relationships.
Word Family
Memory Tip
Bu-jak-yong: 'Bu' (secondary/sub) + 'Jak-yong' (action/effect).
Quick Quiz
지나친 다이어트는 건강을 해치는 ____을 일으킬 수 있다.
Correct!
The correct answer is: 부작용
Examples
성급한 정책 시행은 예상치 못한 부작용을 낳았다.
academicHasty policy implementation produced unexpected side effects.
성형 수술 전에 부작용에 대한 충분한 설명을 들어야 한다.
formalBefore plastic surgery, you must hear a sufficient explanation about side effects.
과도한 경쟁은 인간관계 단절이라는 부작용을 초래한다.
businessExcessive competition causes the side effect of severed human relationships.
이 화장품 쓰고 나서 피부 부작용이 생겼어.
informalI had a skin side effect after using this cosmetic.
신약 개발의 가장 큰 과제는 부작용을 최소화하는 것이다.
everydayThe biggest challenge in developing new drugs is minimizing side effects.
Word Family
Common Collocations
Common Phrases
예상치 못한 부작용
unexpected side effects
사회적 부작용
social side effects
부작용 우려
concern over side effects
Often Confused With
역효과 is an opposite effect (intended to help, but hurt), while 부작용 is an additional unintended effect.
Usage Notes
Very common in medical and social science contexts.
Common Mistakes
Don't use it for just 'bad results' in general; it implies something secondary to an intended main action.
Memory Tip
Bu-jak-yong: 'Bu' (secondary/sub) + 'Jak-yong' (action/effect).
Word Origin
From Sino-Korean 副 (secondary), 作 (make), and 用 (use).
Grammar Patterns
Quick Quiz
지나친 다이어트는 건강을 해치는 ____을 일으킬 수 있다.
Correct!
The correct answer is: 부작용
Related Vocabulary
More health words
예방하다
B1To stop something bad from happening before it occurs. Usually used in the context of disease, accidents, or crime.
유해하다
B1Being harmful or injurious to health, the environment, or a situation. It describes something that causes negative effects.
섭취하다
B1To take in food, drink, or nutrients into the body.
보건
B1The preservation of health and the prevention of disease, especially through organized community efforts.
조절
B1The act of controlling or adjusting something to a desired level or state.
악화되다
B1To become worse, such as in condition, situation, or health.
위험성
B1The quality of being dangerous or the likelihood of a negative consequence. It is often used in public health, safety, and environmental contexts.
건강
B1The state of being free from illness or injury, encompassing physical, mental, and social well-being.
위생
B1Conditions or practices, especially cleanliness, that help maintain health and prevent the spread of diseases.
수명
B1The length of time a living being is expected to live or the period during which a machine or product functions.
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