주기적이다
Something that happens again and again at the same time or after a set amount of time.
Explanation at your level:
You use this word for things that happen again. If you eat breakfast every morning, that is a 주기적 event. It is like a circle of time. You use it to say 'regularly' or 'every certain time.'
At this level, you can use it to describe your habits. For example, 'I go to the gym on a 주기적 basis.' It helps you explain your schedule to friends or teachers clearly.
You can now use it in business or school contexts. 'We have 주기적인 meetings every Monday.' It shows you understand how to talk about schedules and recurring tasks in a professional way.
Use 주기적이다 to discuss trends or natural phenomena. 'The economy shows 주기적인 patterns of growth and decline.' It adds nuance to your ability to describe complex, repeating systems.
At the advanced level, you can use it to analyze data or philosophical concepts. It describes the inherent rhythm in systems, whether in biology, finance, or history. It is a precise tool for academic writing.
Mastery involves understanding the subtle difference between 'regular' (규칙적) and 'periodic' (주기적). While 'regular' implies consistency, 'periodic' implies a specific interval or cycle. Using it correctly shows a deep grasp of temporal relationships.
Word in 30 Seconds
- 주기적이다 means occurring at regular intervals.
- It is derived from Sino-Korean roots for cycle and time.
- Commonly used as '주기적인' (adjective) or '주기적으로' (adverb).
- It is perfect for professional and scientific contexts.
Hey there! Let's talk about 주기적이다. In Korean, this word is all about patterns. If something is 주기적, it means it doesn't just happen once; it happens, takes a break, and then happens again in a predictable way.
Think of the seasons. Winter turns to spring, then summer, then fall, and back to winter. That is a 주기적 process! It is like a clock that ticks at the same speed every single time. Whether it's a meeting at work or the phases of the moon, this word helps us describe that reliable, repeating nature of the world around us.
The word 주기적이다 is built on Sino-Korean roots. The first part, 주(周), means 'circle' or 'circuit,' and 기(期) means 'period' or 'time.' Together, they form 주기, which literally means 'a cycle of time.'
By adding 적(的), which turns the noun into a descriptive modifier, and 이다 (to be), we get the adjective form. This structure is very common in Korean academic and formal language. It evolved from classical Chinese philosophical concepts of cyclical time, which were deeply integrated into Korean vocabulary to describe everything from astronomy to medical symptoms.
You will hear 주기적이다 in many professional settings. It is very common to hear people talk about 주기적인 점검 (periodic inspection) or 주기적인 운동 (regular exercise). It sounds smart and precise, so it is great for reports or serious conversations.
If you want to sound more casual, you might just say 'regularly' (규칙적으로), but 주기적 adds that specific flavor of 'cyclical' or 'interval-based' timing. It is a bit more formal than just saying 'often.' Use it when you want to emphasize that there is a specific, planned, or natural gap between events.
While it is a descriptive adjective, it often appears in set phrases:
- 주기적으로 확인하다 (check periodically)
- 주기적인 변화 (cyclical change)
- 주기적인 간격 (regular intervals)
- 주기적인 신호 (periodic signal)
- 주기적인 반복 (periodic repetition)
Grammatically, 주기적이다 acts as a descriptive adjective. You can use it to modify nouns by changing it to 주기적인 (e.g., 주기적인 회의). It is a standard adjective, so it follows the usual Korean conjugation rules for adjectives ending in -이다.
Pronunciation-wise, focus on the 'j' sound at the beginning. It is pronounced /ju-gi-jeok-i-da/. The 'k' sound at the end of 'jeok' should be crisp. It rhymes slightly with other words ending in '-적' like 경제적 (economical) or 논리적 (logical), which share that same suffix structure.
Fun Fact
The character '周' (ju) originally depicted a field or a circle.
Pronunciation Guide
Clear J and G sounds.
Similar to UK, focus on the 'o' sound in 'jeok'.
Common Errors
- Mispronouncing 'jeok' as 'jek'
- Dropping the 'i' sound
- Poor rhythm
Rhymes With
Difficulty Rating
Easy to read
Requires context
Commonly used
Clear pronunciation
What to Learn Next
Prerequisites
Learn Next
Advanced
Grammar to Know
Adjective to Adverb
-적 -> -적으로
Noun to Adjective
Noun + 적이다
Sino-Korean roots
주 + 기
Examples by Level
주기적으로 운동해요.
Periodically/exercise-do.
Adverbial form
이것은 주기적이에요.
This/periodic-is.
Simple predicate
주기적인 시간.
Periodic/time.
Adjective modifier
주기적으로 만나요.
Periodically/meet.
Adverbial
주기적인 확인.
Periodic/check.
Noun phrase
주기적인 비.
Periodic/rain.
Adjective
주기적인 알람.
Periodic/alarm.
Adjective
주기적으로 먹어요.
Periodically/eat.
Adverbial
주기적인 회의가 있어요.
그는 주기적으로 책을 읽어요.
주기적인 점검이 필요해요.
이것은 주기적인 현상이에요.
주기적으로 청소를 해요.
주기적인 간격으로 쉬세요.
주기적인 변화를 관찰해요.
주기적으로 약을 먹어요.
경제는 주기적인 흐름을 가져요.
주기적인 업데이트가 중요해요.
그들은 주기적인 평가를 받아요.
주기적인 신호가 감지되었어요.
주기적인 운동은 건강에 좋아요.
주기적인 휴식은 필수예요.
주기적인 관리가 필요합니다.
주기적인 방문을 계획해요.
주기적인 계절 변화가 나타나요.
주기적인 데이터 수집을 시작해요.
그 현상은 주기적인 특성을 띄어요.
주기적인 검토를 통해 개선해요.
주기적인 파동을 측정합니다.
주기적인 업무 보고를 제출해요.
주기적인 훈련이 도움이 돼요.
주기적인 감시가 필요합니다.
주기적인 경기 변동은 자연스러워요.
주기적인 생체 리듬을 유지하세요.
주기적인 보수 공사가 예정되어 있어요.
주기적인 피드백 루프를 만드세요.
주기적인 천체 현상을 관측해요.
주기적인 긴장감이 감돌아요.
주기적인 분석이 결과를 바꿔요.
주기적인 패턴을 찾아내세요.
주기적인 역사적 반복을 고찰해요.
주기적인 진동이 기계에 영향을 줘요.
주기적인 세포 재생 과정을 연구해요.
주기적인 기후 모델을 시뮬레이션해요.
주기적인 심리적 변화를 이해해요.
주기적인 행성 궤도를 계산해요.
주기적인 예술적 영감을 얻어요.
주기적인 사회적 변화를 분석해요.
Common Collocations
Idioms & Expressions
"주기적으로 반복되다"
To repeat in a cycle
역사는 주기적으로 반복됩니다.
formal"주기적인 리듬을 타다"
To get into a regular rhythm
공부도 주기적인 리듬을 타야 해요.
neutral"주기적인 검사를 거치다"
To undergo periodic testing
기계는 주기적인 검사를 거쳐야 합니다.
formal"주기적인 변화를 주다"
To introduce periodic changes
인테리어에 주기적인 변화를 주세요.
neutral"주기적인 신호를 보내다"
To send periodic signals
등대는 주기적인 신호를 보냅니다.
formal"주기적인 관리에 힘쓰다"
To strive for periodic maintenance
피부는 주기적인 관리에 힘써야 해요.
neutralEasily Confused
Both imply order.
규칙적 is about rules/order; 주기적 is about cycles/time.
규칙적인 생활 vs 주기적인 점검.
Both imply repetition.
반복적 is just repeating; 주기적 implies a time interval.
반복적인 실수 vs 주기적인 회의.
Both relate to time.
정기적 is for scheduled events; 주기적 is for cycles.
정기적인 구독 vs 주기적인 신호.
Opposite context.
일시적 is temporary; 주기적 is recurring.
일시적인 현상 vs 주기적인 현상.
Sentence Patterns
Subject + 주기적으로 + Verb
나는 주기적으로 운동합니다.
주기적인 + Noun + 이/가 + Verb
주기적인 점검이 필요합니다.
Subject + 는 + 주기적이다
이 현상은 주기적입니다.
주기적인 + Noun + 을/를 + Verb
주기적인 평가를 진행합니다.
주기적으로 + Verb + 는 + 것이 + 좋다
주기적으로 확인하는 것이 좋습니다.
Word Family
Nouns
Verbs
Adjectives
Related
How to Use It
7
Formality Scale
Common Mistakes
Learners often mix them up; 주기적 implies a time interval.
Adjective needs to be an adverb when modifying a verb.
More specific nouns sound natural.
Adverbs like 'very' work, but 'always' is better.
Confusing antonyms with '비주기적'.
Tips
Memory Palace
Imagine a clock on your wall that marks time in cycles.
Native Usage
Use it to talk about maintenance or health routines.
Cultural Insight
Sino-Korean words are the backbone of academic Korean.
Grammar Shortcut
Remember: -적 adds 'like' or 'of' to a noun.
Say It Right
Practice the 'j' sound clearly.
Don't Mix Up
Don't confuse with 'regular' (규칙적).
Did You Know?
The Periodic Table is called 주기율표.
Study Smart
Create sentences about your own life.
Writing Tip
Use it in reports to sound professional.
Speaking Tip
Use it to describe your exercise routine.
Memorize It
Mnemonic
Ju-gi (Jewelry) + jeok (Check) = Check your jewelry periodically!
Visual Association
A clock with a circle moving around it.
Word Web
Challenge
List 3 things you do periodically.
Word Origin
Sino-Korean
Original meaning: Cycle of time
Cultural Context
None
The English equivalent 'periodic' is used in similar scientific and formal contexts.
Practice in Real Life
Real-World Contexts
At work
- 주기적인 보고
- 주기적인 회의
- 주기적인 점검
In health
- 주기적인 운동
- 주기적인 검진
- 주기적인 휴식
In science
- 주기적인 패턴
- 주기적인 변화
- 주기적인 신호
In daily life
- 주기적인 청소
- 주기적인 만남
- 주기적인 알람
Conversation Starters
"당신은 주기적으로 운동을 하나요?"
"어떤 일들이 주기적으로 일어나나요?"
"주기적인 회의는 왜 중요할까요?"
"당신의 생활은 주기적인가요?"
"주기적인 변화를 좋아하세요?"
Journal Prompts
나의 하루 중 주기적인 활동들에 대해 써보세요.
주기적인 운동이 건강에 미치는 영향은 무엇일까요?
왜 사람들은 주기적인 일정을 선호할까요?
자연에서 볼 수 있는 주기적인 현상들을 나열해보세요.
Frequently Asked Questions
8 questionsNo, 매일 means every day, while 주기적 means at intervals (which could be every day or every month).
Usually not; it is for events or actions.
No, it is an adjective.
Add -으로 (주기적으로).
It is neutral to formal.
주기 (cycle).
Yes, it is common.
Not necessarily; it depends on the context.
Test Yourself
나는 ___ 운동을 합니다.
It describes the frequency of exercise.
What does 주기적 mean?
It refers to recurring events.
주기적 implies something happens randomly.
It implies a regular pattern, not randomness.
Word
Meaning
Both imply order but different nuances.
Subject + Object + Adverb + Verb.
경제는 ___ 변화를 겪습니다.
Economic cycles are periodic.
주기적 is often used for scientific phenomena.
It is standard in scientific terminology.
Which is an antonym?
Irregular is the opposite of periodic.
Complex sentence structure.
Word
Meaning
Advanced terminology.
Score: /10
Summary
주기적이다 describes the repeating rhythm of events in our lives and the world.
- 주기적이다 means occurring at regular intervals.
- It is derived from Sino-Korean roots for cycle and time.
- Commonly used as '주기적인' (adjective) or '주기적으로' (adverb).
- It is perfect for professional and scientific contexts.
Memory Palace
Imagine a clock on your wall that marks time in cycles.
Native Usage
Use it to talk about maintenance or health routines.
Cultural Insight
Sino-Korean words are the backbone of academic Korean.
Grammar Shortcut
Remember: -적 adds 'like' or 'of' to a noun.
Related Content
This Word in Other Languages
More academic words
입체적
B2Having a three-dimensional effect or examining something from multiple perspectives rather than a single flat view. It implies a comprehensive and detailed analysis.
~에 관해
B1About, concerning.
~에 대하여
A2Concerning or regarding a particular subject; about.
~대해
A2About; concerning; regarding.
~에 관하여
A2Regarding, concerning, about (a topic).
~에 대해(서)
A1Indicates the topic or subject of discussion, meaning 'about' or 'regarding'.
무엇보다
A2More than anything else; above all.
결석생
A2A student who is absent from class.
추상
A2Abstraction; the quality of dealing with ideas rather than events.
추상화하다
B2To consider something theoretically or separately from its physical reality. It involves extracting general principles from specific examples.