오류
A mistake, inaccuracy, or logical flaw in information, calculation, or a system.
Examples
3 of 5시험지에 오류가 있어서 수정됐어요.
There was an error on the exam paper, so it was corrected.
데이터 입력 과정에서 오류가 발생했습니다.
An error occurred during the data entry process.
이거 완전 오류 투성이야.
This is completely full of errors.
Word Family
Memory Tip
Think of 'O' as a hole in the data — an error.
Quick Quiz
계산 과정에서 작은 ____가 발견되었다.
Correct!
The correct answer is: 오류
Examples
시험지에 오류가 있어서 수정됐어요.
everydayThere was an error on the exam paper, so it was corrected.
데이터 입력 과정에서 오류가 발생했습니다.
formalAn error occurred during the data entry process.
이거 완전 오류 투성이야.
informalThis is completely full of errors.
논리적 오류를 피하는 것이 연구의 핵심이다.
academicAvoiding logical fallacies is the core of research.
시스템 오류로 인해 서비스가 중단되었습니다.
businessService was suspended due to a system error.
Word Family
Common Collocations
Common Phrases
인쇄 오류
printing error
계산 오류
calculation error
치명적 오류
fatal error
Often Confused With
Silsu is a general human mistake; Oryu is often used for technical or logical inaccuracies.
Usage Notes
Very common in IT contexts and when discussing the limitations of a study in academic writing.
Common Mistakes
Avoid using '오류' for social mistakes (like being late); use '실수' instead.
Memory Tip
Think of 'O' as a hole in the data — an error.
Word Origin
From Sino-Korean 誤 (mistake) and 謬 (error).
Grammar Patterns
Quick Quiz
계산 과정에서 작은 ____가 발견되었다.
Correct!
The correct answer is: 오류
More technology words
기능
B1The natural purpose or activity of something; the way something works or is used.
기술적
B1Relating to a particular subject, art, or craft, or its techniques; specifically relating to technology.
공유하다
B1To share something (information, resources, space, or emotions) with others so that it can be used or experienced together.
대중매체
B1Diversified media technologies that reach a large audience via mass communication. It includes TV, newspapers, radio, and the internet.
가상현실
B1A computer-generated environment with scenes and objects that appear to be real, making the user feel they are immersed in their surroundings.
첨부하다
B1To attach a file, document, or supplementary material to an email or report.
검색하다
B1To search for information online or in a database. It is a fundamental part of the modern research process.
연결하다
B1To connect or link two or more things together physically, logically, or digitally.
편리하다
B1To be convenient or easy to use. Frequently used when discussing the benefits of technology, transportation, or modern infrastructure.
편의성
B1The state or quality of being convenient or easy to use.
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