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A1 conjunction 13 min read

거나

geona

Practice it Examples Notes & Tips 거나 in 30 Seconds

Explanation 거나 in your Level:

At the A1 level, you are learning the very basics of how to connect ideas. '거나' is one of the first 'connectors' you will learn. It is used to say 'or' when you are talking about actions (verbs) or descriptions (adjectives). For example, if you want to say 'I eat or I sleep,' you take the verb 'eat' (먹다) and the verb 'sleep' (자다). You remove the '-다' and add '거나' to the first one: '먹거나 자요.' This is very helpful for talking about your daily routine or giving simple choices to friends. Remember, at this level, just focus on using it with the basic form of the verb. Don't worry about past tense yet; just use it to link two simple actions in the present or future. It's much easier than English because the word '거나' never changes, no matter what letter the verb ends with!

As an A2 learner, you can start using '거나' to make your sentences longer and more natural. Instead of saying 'I will go to the park. I will go to the store,' you can combine them: '공원에 가거나 마트에 갈 거예요.' At this level, you should also start using '거나' with adjectives to describe things. For example, 'The weather is hot or humid' (날씨가 덥거나 습해요). You should also be careful not to use '거나' with nouns like 'coffee' or 'bread'—for those, you still use '나/이나'. A2 is the stage where you practice the difference between choosing a thing (noun) and choosing an action (verb). Try using '거나' when you are making plans with friends to offer them two different activities to choose from.

At the B1 level, you should be comfortable using '거나' in more complex sentence structures. You might use it to express a condition or a vague possibility. For example, 'If it rains or if I'm tired, I won't go' (비가 오거나 피곤하면 안 갈 거예요). You can also start using the repetitive form 'A거나 B거나' to show that the result is the same regardless of the choice. For instance, 'Whether you study or play, you must come home early' (공부하거나 놀거나 집에 일찍 와야 해요). At this stage, you should also distinguish '거나' from '든지'. While they are similar, '거나' is more for a simple choice, while '든지' implies that any choice is acceptable. You can also start using '거나' in the middle of a long sentence that has multiple clauses.

For B2 learners, '거나' becomes a tool for nuanced expression. You can use it with the past tense marker '-었/았-' in the middle of a sentence to emphasize that a previous action occurred: '그가 왔거나 전화를 했어야 했어요' (He should have either come or called). You will also encounter '거나' in more formal settings, such as news reports or written essays, often paired with '혹은' (or) for emphasis. At this level, you should be able to use '거나' to describe abstract states or complex hypothetical situations. You might also use it to express a sense of 'and so on' by listing a few actions and ending with '거나 해요' (I do things like A or B). This makes your speech sound much more like a native speaker who isn't just listing facts but describing a general pattern of behavior.

At the C1 level, you are expected to understand the subtle stylistic choices between '거나', '건', and '든지'. You will see '거나' used in sophisticated literature to create a sense of balance or to present philosophical alternatives. You should be able to use it in professional debates or academic writing to list various possibilities or hypotheses. For example, 'The economic crisis was caused by external factors or internal mismanagement' (경제 위기는 대외적 요인에 기인하거나 내부 관리 부실 때문이었다). You also understand how '거나' can be used to soften a command or a suggestion, making it less direct and more socially acceptable in high-level Korean society. Your use of '거나' should be flawless, even with highly irregular verbs or complex passive/causative structures.

At the C2 level, '거나' is used with total mastery across all registers. You can use it to create poetic effects in writing or to navigate the most complex legal and technical documents. You understand the historical evolution of the suffix and how it relates to other connective endings. In high-level discourse, you might use '거나' to present a series of exhaustive possibilities that cover every potential outcome of a complex situation. You are also sensitive to how the placement of '거나' can change the focus or emphasis of a sentence. Whether you are analyzing a classical text or delivering a keynote speech, '거나' is a tool you use with precision to indicate choice, variety, and the multifaceted nature of reality in the Korean language.

Practice it Examples Notes & Tips

거나 in 30 Seconds

거나 is the Korean equivalent of 'or' specifically designed for verbs and adjectives, providing a way to link actions or states as alternatives.
Unlike noun-based 'or' (나/이나), 거나 attaches directly to the verb stem without changing based on batchim, making it very easy to conjugate.
It is commonly used in daily life for making suggestions, describing flexible routines, and expressing uncertainty in weather or future plans.
The tense of the sentence is typically placed on the final verb, allowing the 거나-linked verbs to remain in their simple base forms.

The Korean conjunction 거나 (-geona) is a fundamental grammatical building block used to connect two or more verbs or adjectives, expressing an 'either-or' relationship between actions or states. Unlike English, where the word 'or' can be used for both nouns and verbs, Korean distinguishes between these categories. When you are choosing between two objects (nouns), you use 이나 or 나. However, when you are choosing between doing one thing or another, or describing something that is either this way or that way, 거나 is the indispensable tool for your linguistic toolkit.

Grammatical Category: Connective ending (연결 어미) used primarily with predicates (verbs and adjectives).
Core Function: Enumerating two or more options where only one needs to be realized or is true. It functions exactly like the English 'or' for actions.

Imagine you are planning your weekend. You might say, 'I will watch a movie or read a book.' In Korean, these are two actions: 보다 (to watch) and 읽다 (to read). To join them, you drop the dictionary ending -다 and attach -거나 to the stem. The result is 보거나 읽어요. This structure is incredibly common because it allows speakers to offer choices, describe flexible routines, or list various possibilities without committing to a single one. It is used in both casual conversations with friends and formal presentations in the workplace.

주말에 영화를 보거나 책을 읽어요. (On weekends, I watch a movie or read a book.)

One of the most beautiful aspects of 거나 is its simplicity in conjugation. Unlike many Korean particles that change based on whether the preceding syllable ends in a vowel or a consonant (batchim), 거나 is remarkably stable. Whether the verb is 가다 (to go -> 가거나) or 먹다 (to eat -> 먹거나), the ending remains the same. This makes it one of the first advanced-looking structures that beginners can master with high confidence.

People use this word when they are being polite and offering options to a guest, such as 'Would you like to sit here or go inside?' (여기 앉거나 안으로 들어갈까요?). It is also used in descriptive contexts, such as describing a person who is 'either busy or tired.' This versatility across both action verbs and descriptive adjectives makes it a high-frequency term in the Korean language. It helps in avoiding short, choppy sentences by creating smooth, complex thoughts that reflect the reality of human choice and variety.

Usage Context 1: Daily Routines: Describing habits that vary, like 'I listen to music or sleep on the bus.'
Usage Context 2: Suggestions: Giving someone choices for activities, such as 'Let's eat pizza or go to a cafe.'

피곤하거나 바쁘면 나중에 만나요. (If you are tired or busy, let's meet later.)

Furthermore, 거나 can be used in the past tense, though the tense marking is usually attached to the final verb in the sentence. For example, 'Yesterday I cleaned or did laundry' would be 어제 청소하거나 빨래를 했어요. The '했어' at the end carries the past tense for both actions. This 'tense sharing' is a common feature in Korean grammar that keeps the middle of the sentence light and easy to pronounce. In more formal writing, you might see -었거나, but for most learners, the simple stem + 거나 is the standard and most natural-sounding path.

In summary, 거나 is the bridge of possibilities. It allows you to express that the world isn't just black and white, but full of options. Whether you are talking about what you want to do today, how you feel, or what might happen in the future, this conjunction provides the necessary flexibility to speak Korean naturally and accurately.

The construction of sentences using 거나 is one of the most straightforward processes in Korean grammar, yet it unlocks the ability to create complex, multi-layered thoughts. The basic rule is: Verb/Adjective Stem + 거나. This rule applies regardless of whether the stem ends in a vowel, a consonant, or even irregular batchim. This consistency makes it a favorite for learners who are tired of memorizing endless conjugation tables.

The Formula: [Action/State 1 Stem] + 거나 + [Action/State 2] + [Sentence Ending]

Let's look at how this works with different types of words. For a verb like 마시다 (to drink), the stem is 마시. Adding the conjunction gives us 마시거나. For a verb like 읽다 (to read), the stem is 읽, resulting in 읽거나. Notice how the 'ㄹㄱ' double consonant in '읽' doesn't change anything about the ending. This lack of phonetic change is what makes 거나 so reliable. You can even chain more than two actions: A거나 B거나 C해요 (I do A, B, or C).

커피를 마시거나 차를 마셔요. (I drink coffee or drink tea.)

When using 거나 with adjectives, the meaning shifts slightly from 'choosing an action' to 'describing alternative states.' For instance, if you want to say 'The weather is cold or windy,' you would take 춥다 (to be cold) and 바람이 불다 (to be windy). The adjective 춥다 has a 'ㅂ' irregular stem, but when adding 거나, you simply use the base stem 춥 to get 춥거나. This describes a situation where either condition might be true.

A very common pattern involves using the same verb twice with its opposite, such as 가거나 안 가거나 (whether I go or don't go). This 'A or not A' pattern is used to express indifference or that the outcome is the same regardless of the choice. For example, 'Whether it rains or not, I'm going' would be 비가 오거나 안 오거나 갈 거예요. This shows how 거나 can move beyond simple choices into expressing resolve or conditions.

Example: Using Adjectives: 방이 크거나 밝으면 좋겠어요. (It would be good if the room is large or bright.)
Example: Using Multiple Verbs: 노래를 부르거나 춤을 추거나 악기를 연주해요. (They sing, dance, or play instruments.)

그 영화는 슬프거나 무서워요. (That movie is either sad or scary.)

In formal settings, you might encounter the past tense attached directly to the first verb: -었거나/았거나. This is used when you are specifically emphasizing that one of two completed actions occurred. For example, 'Whether you ate or didn't eat, please come' (밥을 먹었거나 안 먹었거나 오세요). However, for 90% of daily communication, the present stem + 거나 is perfectly sufficient and preferred for its brevity. Mastering this word allows you to stop speaking in simple subject-verb-object chunks and start weaving together the complexities of choice and possibility that define natural speech.

If you walk through the streets of Seoul or tune into a Korean drama, you will hear 거나 constantly. It is the language of options, and Korean culture—with its fast-paced 'palli-palli' lifestyle—is all about offering and making choices quickly. One of the most common places to hear this is in restaurants or cafes. A server might ask if you want to 'eat here or take it out' (여기서 드시거나 포장하시겠어요?). Notice the high level of politeness combined with the functional 'or' of 거나.

In the Workplace: Bosses often use it when giving instructions: 'Finish this report or send the email by 5 PM' (이 보고서를 끝내거나 이메일을 보내세요).
In K-Dramas: Characters often use it in dramatic ultimatums: 'Leave or stay, it's your choice' (떠나거나 남거나 네 마음대로 해).

You will also hear it frequently in weather reports and news broadcasts. Meteorologists use it to describe unpredictable conditions: 'Tomorrow it will rain or be cloudy' (내일은 비가 오거나 흐리겠습니다). In this context, it conveys a professional level of uncertainty. Because 거나 is neutral in formality, it fits perfectly in these broadcast settings just as well as it does in a mother asking her child, 'Do you want to sleep or play more?' (잘래 아니면 더 놀거나 할래?).

주말에 등산을 하거나 자전거를 타요. (On weekends, I go hiking or ride a bike.)

Another fascinating place where 거나 appears is in song lyrics, particularly in K-Pop. Songwriters use the repetitive -거나 ... -거나 structure to create a rhythmic sense of 'no matter what.' A popular trope is 'Whether you love me or hate me...' (날 사랑하거나 미워하거나...). This rhythmic quality makes the grammar point easy to remember and gives the lyrics a poetic, balanced feel. It reflects the emotional duality often explored in Korean music.

In educational settings, teachers use 거나 to explain rules or give assignments: 'You can write a poem or draw a picture.' This shows the word's role in providing creative freedom. Even in legal or instructional text, such as a manual for a rice cooker, you will see 거나 used to explain different functions: 'Press this button to cook or keep warm.' It is truly a 'utility' word that spans the entire spectrum of Korean life, from the most mundane tasks to the most profound emotional expressions.

In Public Announcements: 'Please do not smoke or use your phone' (담배를 피우거나 전화를 하지 마세요).

공부하거나 일할 때 음악을 들어요. (I listen to music when I study or work.)

To truly sound like a native, pay attention to the intonation when 거나 is used. Often, there is a slight rise in pitch on the '나' syllable, followed by a brief pause before the next option is presented. This musicality helps the listener realize that a choice is being presented. By listening for this pattern in podcasts or variety shows like 'Running Man,' you will start to recognize the word not just as a grammatical rule, but as a living part of how Koreans navigate their daily choices and interactions.

The most frequent mistake English speakers make when learning 거나 is applying the logic of the English word 'or' too broadly. In English, 'or' works for everything: 'Apple or orange' (nouns) and 'Eat or sleep' (verbs). In Korean, these are strictly separated. Using 거나 with a noun is a major grammatical error. For example, saying 사과거나 오렌지 is incorrect; you must use 사과나 오렌지. This distinction is the hurdle that separates beginners from intermediate speakers.

Mistake #1: Mixing Nouns and Verbs: Incorrect: 커피거나 차를 마셔요. (Using '거나' with a noun). Correct: 커피나 차를 마셔요. (Using '나' with a noun).

Another common error involves tense markers. Many learners try to put the past tense on every verb in the sequence. For example, they might say 먹었거나 잤어요 to mean 'I ate or slept.' While this isn't strictly 'wrong' in some formal contexts, it sounds very stiff and unnatural in daily speech. The standard way is to leave the first verb in its base stem form: 먹거나 잤어요. The final verb 잤어요 (slept) is enough to tell the listener that the entire sentence refers to the past. This 'tense-overloading' is a classic sign of a non-native speaker translating directly from English.

Incorrect: 어제 공부했거나 운동했어요.
Correct: 어제 공부하거나 운동했어요.

A third mistake is forgetting that 거나 is for choices, not for inclusive lists. If you mean 'I ate bread AND milk,' you should use -고 (and). Using 거나 implies you did only one of the two. Beginners sometimes use 'or' when they actually mean 'and/also' because they are unsure of the correct conjunction. This can lead to confusion where a friend thinks you are asking them to choose, when you are actually listing things you did together.

Finally, learners often struggle with irregular verbs. While 거나 is generally simple, you still need to use the correct verb stem. For example, for 듣다 (to listen), the stem is 듣, so it becomes 듣거나. Some learners mistakenly try to apply 'ㄹ' transformations that occur with other endings (like 들어요). Because 거나 starts with a consonant (ㄱ), it doesn't trigger the 'ㄷ to ㄹ' change in 듣다. Keeping the stem in its 'dictionary' form (minus the -다) is the key to avoiding these conjugation traps.

Mistake #4: Misapplying Irregular Rules: Incorrect: 음악을 들거나... (Trying to use the 'ㄹ' stem). Correct: 음악을 듣거나... (Using the base 'ㄷ' stem because '거나' starts with a consonant).

집에서 쉬거나 친구를 만날 거예요. (I will rest at home or meet a friend.)

By being mindful of these four areas—noun vs. verb usage, tense placement, 'or' vs. 'and' logic, and irregular stem preservation—you can master 거나 and sound much more like a natural Korean speaker. Remember, when in doubt, just stick the 거나 onto the dictionary stem and let the end of the sentence do the heavy lifting for tense and politeness.

While 거나 is the most common way to say 'or' with verbs, Korean offers several alternatives that carry different nuances. Understanding these can help you choose the right word for the right situation. The most prominent 'competitor' to 거나 is -든지. While they are often interchangeable, -든지 (often shortened to -든) implies a sense of 'any choice is fine' or 'no matter what.' It carries a slightly more emphatic 'regardless' feeling than the neutral 거나.

거나 vs. 든지: '거나' is a simple choice between options. '든지' emphasizes that the choice doesn't matter (e.g., 'Eat it or don't, I don't care').

Another alternative is the adverb 아니면. This is literally 'if not.' It is used to separate two distinct sentences or full clauses. If 거나 is a 'glue' that sticks to the end of a word, 아니면 is a 'bridge' that stands between two sentences. For example: 'Do you want to go to the park? Or (아니면) do you want to see a movie?' This is used when you want to pause and present the second option as a fresh thought rather than a continuation of the first.

공원엘 갈까요? 아니면 영화를 볼까요? (Shall we go to the park? Or shall we watch a movie?)

For nouns, as mentioned before, you must use (이)나. This is the most important distinction. 커피나 차 (Coffee or tea) uses 나 because coffee is a noun. If you tried to use 거나 here, it would be grammatically nonsensical. However, you can turn a noun choice into a verb choice by adding 이다 (to be). So, 커피이거나 차이다 (being coffee or being tea) is technically possible, though much less common than the simple noun form.

In very formal or written contexts, you might see -거나 혹은. The word 혹은 is a formal way to say 'or' or 'perhaps.' Adding it after 거나 adds a literary or academic weight to the choice. For example, 'The data is incorrect or (거나 혹은) the method is flawed.' This is rarely heard in street slang but is common in news reports and legal documents. Understanding these variations allows you to tailor your 'or' to the level of formality and the specific nuance you wish to convey.

Comparison Summary: 1. 거나: Standard for verbs/adjectives.
2. (이)나: Standard for nouns.
3. 든지: Emphasizes indifference or 'regardless.'
4. 아니면: Adverb for starting a new sentence/option.
5. 혹은: Formal/Written 'or'.

사과나 배를 주세요. (Please give me an apple or a pear. - Noun version)

By learning 거나 first, you build the foundation. Adding 아니면 for sentence structure and -든지 for nuance will eventually make your Korean sound rich and sophisticated. But always remember: the choice between a noun and a verb is the most critical decision you make when picking your 'or' in Korean.

How Formal Is It?

Fun Fact

Unlike many other Korean endings that have complex historical roots in Chinese characters (Hanja), '-거나' is a purely native Korean grammatical structure.

Pronunciation Guide

UK /ɡʌ.na/

US /ɡʌ.nɑ/

The stress is even across both syllables, but the second syllable 'na' often has a rising intonation when presenting the first of several options.

Rhymes With

자나 (jana) 하나 (hana) 떠나 (tteona) 만나 (manna) 사나 (sana) 보나 (bona) 오나 (ona) 구나 (guna)

Common Errors

Pronouncing 'eo' (ㅓ) as 'o' (ㅗ). Ensure the mouth is more open.
Adding a pause between the verb stem and '거나'. It should be one continuous word.
Pronouncing the 'g' (ㄱ) too harshly like a 'k'. It should be a voiced 'g' sound.
Over-emphasizing the 'na' like a question. It's a connector, not a question mark.
Forgetting the batchim of the verb stem in the pronunciation flow.

Difficulty Rating

Reading 2/5

Very easy to recognize in text as it always attaches to a verb/adj stem.

Writing 3/5

Requires remembering to use it only with verbs, not nouns.

Speaking 3/5

Natural intonation involves a slight pause and lift on the 'na'.

Listening 2/5

Distinct sound that is easy to pick out in conversation.

What to Learn Next

Prerequisites

가다 (to go) 먹다 (to eat) 하다 (to do) 나 / 이나 (noun or) 고 (and)

Learn Next

든지 (indifferent or) 아니면 (sentence-starting or) 거나 말거나 (idiomatic usage) 거나 혹은 (formal usage) 면서 (while)

Advanced

건 (contraction) 든가 (variation of 든지) 거니와 (not only... but also) 거늘 (since/given that) 거니 (thinking/supposing)

Grammar to Know

-고

밥을 먹고 공부해요. (Eat and study - sequential/simultaneous)

-(이)나

커피나 차를 마셔요. (Coffee or tea - nouns)

-든지

가든지 말든지 네 마음이야. (Whether you go or not - indifference)

-거나 말거나

믿거나 말거나 사실이야. (Believe it or not - idiom)

-거나 하면

비가 오거나 하면 집에 있을게요. (If it rains or something...)

Examples by Level

집에서 쉬거나 자요.

I rest or sleep at home.

Simple present tense with two verbs: 쉬다 (rest) and 자다 (sleep).

책을 읽거나 공부해요.

I read a book or study.

Connecting two daily activities.

노래를 듣거나 영화를 봐요.

I listen to music or watch a movie.

Note the use of '듣다' (listen) which keeps its 'ㄷ' batchim.

빵을 먹거나 우유를 마셔요.

I eat bread or drink milk.

Using '거나' for actions (eating/drinking).

수영을 하거나 테니스를 쳐요.

I swim or play tennis.

Connecting two sports activities.

커피가 뜨겁거나 차가워요.

The coffee is hot or cold.

Using '거나' with adjectives (뜨겁다, 차갑다).

친구가 오거나 제가 가요.

A friend comes or I go.

Simple choice between two people's actions.

바쁘거나 힘들면 쉬세요.

If you are busy or tired, please rest.

Using '거나' within an 'if' (면) clause.

주말에 등산을 하거나 자전거를 탈 거예요.

I will go hiking or ride a bike on the weekend.

Future tense 'ㄹ 거예요' applies to both actions.

방이 크거나 밝으면 좋겠어요.

It would be nice if the room is large or bright.

Using adjectives with the '-면 좋겠다' (hope) structure.

노래를 부르거나 춤을 추는 것을 좋아해요.

I like singing or dancing.

Connecting two gerunds (verb-ing).

요리를 하거나 설거지를 도와주세요.

Please cook or help with the dishes.

Giving choices in a polite request (-세요).

가방이 무겁거나 불편해요.

The bag is heavy or uncomfortable.

Describing negative states with adjectives.

비가 오거나 눈이 오면 운전하지 마세요.

Don't drive if it rains or snows.

Prohibition structure (-지 마세요) with choices.

심심하거나 외로울 때 전화를 하세요.

Call me when you are bored or lonely.

Using '거나' with the time expression '-을 때'.

컴퓨터를 고치거나 새로 살 거예요.

I will fix the computer or buy a new one.

Choosing between fixing and replacing.

그는 퇴근 후에 운동을 하거나 친구를 만나요.

After work, he exercises or meets friends.

Describing a regular routine after a specific time.

문제가 어렵거나 이해가 안 되면 질문하세요.

If the problem is difficult or you don't understand, please ask.

Combining an adjective and a negative verb clause.

부모님께 편지를 쓰거나 선물을 보내고 싶어요.

I want to write a letter or send a gift to my parents.

Using '거나' with the '고 싶다' (want) desire form.

길을 잃거나 도움이 필요하면 경찰서에 가세요.

If you get lost or need help, go to the police station.

Conditional context for safety instructions.

아침에 일찍 일어나거나 밤에 늦게 자는 편이에요.

I tend to wake up early or sleep late.

Using '거나' with the '-는 편이다' (tend to) expression.

날씨가 맑거나 흐리거나 상관없어요.

It doesn't matter whether the weather is clear or cloudy.

Repeating '거나' to show indifference.

돈을 벌거나 경험을 쌓으려고 아르바이트를 해요.

I do a part-time job to earn money or gain experience.

Using '거나' to express multiple purposes (-으려고).

옷이 작거나 크면 교환할 수 있어요.

If the clothes are too small or too big, you can exchange them.

Ability structure (-ㄹ 수 있다) with adjective choices.

회의가 길어지거나 취소될 가능성이 있습니다.

There is a possibility that the meeting will be prolonged or canceled.

Formal ending '-습니다' with abstract possibilities.

스트레스를 받거나 우울할 때 명상을 해 보세요.

Try meditating when you are stressed or depressed.

Combining a verb phrase and an adjective for mental states.

자격증을 따거나 외국어 실력을 키워야 합니다.

You must get a certification or improve your foreign language skills.

Obligation structure (-야 하다) with professional goals.

음식이 맵거나 짜면 미리 말씀해 주세요.

Please let us know in advance if the food is spicy or salty.

Service industry communication using adjectives.

환경을 보호하거나 에너지를 절약하는 방법이 많아요.

There are many ways to protect the environment or save energy.

Noun-modifying form with linked verbs.

사고가 났거나 고장이 났을 때는 비상등을 켜세요.

Turn on the hazard lights when an accident occurs or a breakdown happens.

Using past tense markers (-었-) within the '거나' clause for emphasis.

성적이 오르거나 장학금을 받으면 정말 기쁠 거예요.

I will be very happy if my grades go up or I receive a scholarship.

Conditional future with positive outcomes.

계획을 변경하거나 일정을 조정해야 할 것 같습니다.

It seems like we need to change the plan or adjust the schedule.

Conjecture structure (-ㄴ 것 같다) with professional verbs.

정보가 부정확하거나 출처가 불분명한 기사는 믿지 마세요.

Do not trust articles where the information is inaccurate or the source is unclear.

Complex noun-modifying clause with multiple adjectives.

제도가 개선되거나 새로운 법안이 통과되어야 합니다.

The system must be improved or a new bill must be passed.

Passive voice verbs linked with '거나'.

성공하거나 실패하거나 그 과정에서 배우는 것이 중요합니다.

Whether you succeed or fail, what you learn in the process is important.

Philosophical usage of the repetitive '거나' structure.

기술이 발전하거나 시장 환경이 변하면 대응해야 합니다.

We must respond when technology advances or the market environment changes.

Business strategy context with dynamic verbs.

작품의 주제가 모호하거나 표현이 난해할 수 있습니다.

The theme of the work may be ambiguous or the expression may be difficult to understand.

Literary criticism context with sophisticated adjectives.

의견이 충돌하거나 갈등이 생길 때는 대화가 필요합니다.

When opinions clash or conflicts arise, dialogue is necessary.

Social/psychological context with abstract nouns.

부작용이 나타나거나 통증이 심해지면 즉시 내원하십시오.

Please visit the hospital immediately if side effects appear or pain worsens.

Formal medical instruction using '내원하십시오'.

예산이 부족하거나 인력이 모자라면 프로젝트가 지연될 수 있습니다.

If the budget is insufficient or manpower is lacking, the project may be delayed.

Project management context with formal vocabulary.

인간의 본성이 선하거나 악하다는 논쟁은 끊이지 않습니다.

The debate over whether human nature is good or evil is endless.

Philosophical debate using '거나' for fundamental qualities.

현상이 복잡하거나 원인이 다각적일 경우 분석이 어렵습니다.

Analysis is difficult when the phenomenon is complex or the causes are multifaceted.

Academic research context with high-level hanja words.

규정이 미비하거나 법적 공백이 있을 때 혼란이 야기됩니다.

Confusion is caused when regulations are inadequate or there is a legal vacuum.

Legal and administrative context with passive verbs.

문화적 차이가 크거나 언어 장벽이 높으면 소통이 단절됩니다.

Communication is cut off when cultural differences are large or language barriers are high.

Sociological analysis with metaphorical language.

수요가 급증하거나 공급이 차질을 빚으면 물가가 상승합니다.

Prices rise when demand surges or supply is disrupted.

Economic theory expressed with formal idiomatic phrases.

진실이 왜곡되거나 사실이 은폐되어서는 안 됩니다.

Truth must not be distorted nor facts concealed.

Ethical/Journalistic imperative with passive constructions.

역사가 반복되거나 새로운 시대가 열리는 기로에 서 있습니다.

We stand at a crossroads where history repeats itself or a new era begins.

Historical/Political metaphor with sophisticated phrasing.

자아가 비대해지거나 타인을 배척하는 행위는 경계해야 합니다.

We must be wary of acts where the ego becomes inflated or others are excluded.

Psychological/Moral discourse with abstract verbs.

Common Collocations

보거나 듣거나

먹거나 마시거나

공부하거나 일하거나

비가 오거나 눈이 오거나

바쁘거나 피곤하거나

싸거나 비싸거나

가거나 오거나

슬프거나 기쁘거나

크거나 작거나

맞거나 틀리거나

Common Phrases

하거나 말거나

— Whether you do it or not. Used to show that the speaker doesn't care about the outcome.

네가 공부를 하거나 말거나 나는 잘 거야.

믿거나 말거나

— Believe it or not. A very common way to introduce a surprising fact.

믿거나 말거나 그 남자는 백만장자예요.

보거나 말거나

— Whether you look at it or not. Often used regarding attention or media.

사람들이 보거나 말거나 내 할 일을 해요.

가거나 말거나

— Whether you go or not. Shows indifference toward someone's departure.

네가 파티에 가거나 말거나 난 상관없어.

먹거나 말거나

— Whether you eat it or not. Used when someone is picky or refusing food.

배고프면 먹거나 말거나 마음대로 해.

듣거나 말거나

— Whether you listen or not. Used when giving advice that might be ignored.

내 말을 듣거나 말거나 네 책임이야.

오거나 말거나

— Whether they come or not. Used for guests or events.

그 사람이 오거나 말거나 파티는 시작할 거야.

알거나 말거나

— Whether you know or not. Used regarding information or awareness.

네가 알거나 말거나 진실은 변하지 않아.

있거나 없거나

— Whether it exists or not / Whether you have it or not.

돈이 있거나 없거나 우리는 행복해요.

좋거나 싫거나

— Whether you like it or not. Expressing an unavoidable situation.

좋거나 싫거나 이건 해야 하는 일이야.

Often Confused With

거나 vs (이)나

Used for nouns, whereas '거나' is for verbs and adjectives. This is the most common confusion.

거나 vs 든지

Implies indifference or that any choice is fine, while '거나' is a neutral 'or'.

거나 vs 아니면

An adverb used to start a new sentence or clause, whereas '거나' is a suffix.

Idioms & Expressions

"죽거나 살거나"

— A life-or-death situation or doing something with extreme desperation. Similar to 'do or die'.

죽거나 살거나 끝까지 해보자.

Casual/Emphatic

"엎어지거나 자빠지거나"

— Literally 'falling forward or falling backward'. It means the result is the same bad outcome regardless.

엎어지거나 자빠지거나 결국 늦었어.

Colloquial

"되거나 말거나"

— Whether it works out or not. Used when taking a risky chance without worrying too much.

되거나 말거나 일단 신청해 봤어요.

Casual

"산 입에 거미줄 치거나"

— Used to say that a living person won't starve to death (literally: spiderwebs won't form in a living mouth).

어떻게든 살겠지, 산 입에 거미줄 치거나 하겠어?

Proverbial

"가거나 오거나 마음대로"

— Used to tell someone they have total freedom to act as they wish, often with a hint of annoyance.

가거나 오거나 이제 네 마음대로 해.

Informal

"자나 깨나"

— Whether awake or asleep. Meaning 'all the time' or 'constantly'. (Uses '나' but functions like the '거나' pattern).

자나 깨나 불조심.

Common Idiom

"보거나 말거나 내버려 두다"

— To leave something alone regardless of whether it's noticed or not.

그냥 보거나 말거나 내버려 두세요.

Neutral

"울거나 웃거나"

— Through thick and thin; in both sad and happy times.

울거나 웃거나 우리는 항상 함께였어.

Literary

"멀거나 가깝거나"

— Regardless of distance; no matter how far.

멀거나 가깝거나 꼭 갈게요.

Neutral

"크거나 작거나 간에"

— Regardless of size. The '간에' adds emphasis to the 'regardless' aspect.

문제가 크거나 작거나 간에 해결해야 해요.

Formal/Neutral

Easily Confused

거나 vs 나 / 이나

Both mean 'or'.

나/이나 is used exclusively with nouns. 거나 is used exclusively with verbs and adjectives.

사과나 배 (Apple or pear) vs 먹거나 마시다 (Eat or drink).

거나 vs 든지

Both connect verbs to mean 'or'.

든지 emphasizes that the selection does not matter. 거나 is a simple, neutral choice.

가든지 말든지 (I don't care if you go) vs 가거나 와요 (Go or come).

거나 vs 또는

Both mean 'or'.

또는 is more formal and often used to connect nouns or whole phrases in writing.

A 또는 B (A or B - formal).

거나 vs 혹은

Both mean 'or'.

혹은 is very formal/literary and often used in academic or news contexts.

부상 혹은 사망 (Injury or death).

거나 vs 아니면

Both mean 'or'.

아니면 is a standalone word (adverb) that starts a new clause. 거나 must be attached to a stem.

피자 먹을래? 아니면 치킨? (Want pizza? Or chicken?)

Sentence Patterns

V-거나 V-아요/어요

먹거나 자요.

V-거나 V-ㄹ 거예요

가거나 올 거예요.

V-거나 V-면

비가 오거나 눈이 오면...

V-었거나 V-었을 때

사고가 났거나 고장이 났을 때...

V-거나 V-거나 상관없다

이기거나 지거나 상관없어요.

V-거나 V-는 기로에 서다

성공하거나 실패하는 기로에 서 있다.

All

Adj-거나 Adj-하다

바쁘거나 힘들어요.

All

V-거나 말거나

하거나 말거나.

Word Family

든지 (or / no matter which)

나 / 이나 (or - for nouns)

건 (shortened 거나)

혹은 (formal or)

또는 (or)

How to Use It

frequency

Extremely high in both spoken and written Korean.

Common Mistakes

커피거나 차 (Coffee or tea) → 커피나 차
You used '거나' with a noun. '거나' is only for verbs and adjectives. Use '나/이나' for nouns.
먹었거나 잤어요 (Ate or slept) → 먹거나 잤어요
You put the past tense on both verbs. In Korean, the final verb usually carries the tense for the whole sentence.
음악을 들거나... (Listen or...) → 음악을 듣거나...
You applied an irregular 'ㄹ' change. Since '거나' starts with a consonant, '듣다' stays as '듣'.
Using '거나' for 'and' → Using '-고'
Learners sometimes confuse 'or' and 'and'. Use '-고' if you did both actions, '거나' if you only did one.
피곤하거나면 (If you are tired or...) → 피곤하거나 하면
You cannot attach '-면' directly to '거나'. You must use the pattern 'V-거나 하면'.

Tips

Stem Only

Always attach '거나' to the base stem of the verb. Even for irregular verbs like '듣다', you use the dictionary stem '듣' to get '듣거나'.

Noun vs Verb

Before you speak, ask yourself: 'Is the word before OR a thing or an action?' If it's an action, use '거나'. If it's a thing, use '나/이나'.

Intonation Matters

Lift your voice slightly at the end of '거나'. This helps the listener know that you haven't finished your thought and are presenting another option.

The 'G' Rule

Remember that 'G' is for 'Go' (verbs). Since '거나' starts with 'G', it's the one you use for actions (verbs).

Tense Sharing

Don't over-conjugate. Put the past or future tense only at the very end of the sentence to sound like a native speaker.

Pair with Adjectives

Don't forget that '거나' works with adjectives too! Use it to describe things that are 'big or small', 'hot or cold', etc.

Indifference

Use 'V-거나 말거나' when you want to sound cool or show that you don't care about what someone else does.

Formal Contexts

In essays, you can use '거나 혹은' to sound more professional and precise when listing alternatives.

Shortened Form

Be ready to hear just '-건' instead of '-거나' in fast conversation. It means the exact same thing.

Offering Choices

Use '거나' when hosting guests. Offering two choices instead of one makes you seem more considerate in Korean culture.

Memorize It

Mnemonic

Think of '거나' as 'Go-on-a' choice. You can 'go on a' hike OR 'go on a' bike ride. The 'G' stands for 'Go' and the 'N' stands for 'Next' option.

Visual Association

Imagine a fork in the road. One path leads to a 'Verb 1' sign and the other to a 'Verb 2' sign. The '거나' is the physical split in the road where you must choose.

Word Web

Choice Options Verbs Adjectives Or Alternatives Variety Flexibility

Challenge

Try to describe your entire weekend using only sentences that contain '거나'. For example: 'I will sleep or study. I will eat pizza or pasta. I will be happy or tired.'

Word Origin

The suffix '-거나' evolved from Middle Korean where it functioned as a connective to show choice or enumeration. It has remained remarkably stable in its form and function over centuries.

Original meaning: To choose or to list alternatives.

Koreanic (Native Korean grammar)

Cultural Context

There are no major sensitivities, but using '-거나 말거나' (whether you do it or not) can sound quite dismissive or rude if used with a superior or in a formal setting.

English speakers often struggle because they use 'or' for everything. In English, 'or' is a 'one-size-fits-all' word, but Korean requires you to think about the part of speech before you choose your word.

Lyric from K-pop songs: '사랑하거나 미워하거나' (Whether you love or hate). TV Show titles often use 'A하거나 B하거나' to show variety. Proverb: '믿거나 말거나' (Believe it or not).

Practice in Real Life

Real-World Contexts

At a Restaurant

여기서 드시거나 포장하시겠어요?
맵거나 짜면 말씀해 주세요.
카드로 결제하거나 현금으로 낼게요.
비빔밥을 먹거나 불고기를 먹을까요?

Planning a Weekend

영화 보거나 공원에 가요.
집에서 쉬거나 잠을 잘 거예요.
친구를 만나거나 쇼핑을 할까요?
운동을 하거나 책을 읽을 거예요.

Health and Feelings

아프거나 피곤하면 쉬세요.
기분이 좋거나 나쁠 때 음악을 들어요.
배가 고프거나 목이 마르면 말해.
슬프거나 외로우면 전화해.

Work and Study

공부하거나 숙제를 해요.
이메일을 보내거나 전화를 하세요.
회의를 하거나 보고서를 써요.
일찍 오거나 늦게 가면 알려줘.

Weather

비가 오거나 눈이 올 것 같아요.
덥거나 습하면 에어컨을 켜요.
날씨가 맑거나 흐려요.
춥거나 바람이 불면 코트를 입으세요.

Conversation Starters

"주말에 보통 뭐 해요? 운동하거나 영화 봐요?"

"배고플 때 요리하거나 시켜 먹어요?"

"심심할 때 뭐 해요? 책 읽거나 게임 해요?"

"스트레스 받을 때 자거나 운동해요?"

"한국어 공부할 때 쓰거나 읽는 것 중에 뭐가 더 어려워요?"

Journal Prompts

오늘 한 일 중에서 가장 기억에 남는 두 가지를 '거나'를 사용해서 써 보세요. (예: 오늘 산책을 하거나 커피를 마셨어요.)

미래에 하고 싶은 일 두 가지를 '거나'를 사용해서 계획해 보세요.

내가 좋아하는 활동 세 가지를 '거나'로 연결해서 설명해 보세요.

어떤 날씨를 좋아하나요? 맑거나 시원한 날씨에 대해 써 보세요.

친구가 우울할 때 어떻게 도와줄 수 있을까요? '거나'를 사용해서 제안해 보세요.

Frequently Asked Questions

10 questions

No, '거나' is strictly for verbs and adjectives. For nouns, you must use '나' (if it ends in a vowel) or '이나' (if it ends in a consonant). For example, '커피나 차' (coffee or tea) is correct, while '커피거나 차' is incorrect.

No, one of the best things about '거나' is that it never changes. You simply take the verb stem and add '거나' directly, regardless of whether it ends in a vowel or a consonant. Example: 가다 -> 가거나, 먹다 -> 먹거나.

In most cases, you leave the first verb in its base stem form and only put the final verb of the sentence into the past tense. For example, 'Yesterday I studied or exercised' is '어제 공부하거나 운동했어요.' The '했어요' at the end covers both actions.

'거나' is a neutral 'or' for making choices or listing possibilities. '든지' carries a stronger nuance of 'it doesn't matter which one' or 'regardless of the choice.' They are often interchangeable, but '든지' is more emphatic about indifference.

Yes! You can list multiple options by adding '거나' to each verb stem except the last one. For example: '노래하거나 춤추거나 운동해요' (I sing, dance, or exercise).

This is a common idiomatic pattern that means 'whether [verb] or not.' It is used to show that the speaker is indifferent to the outcome. A famous example is '믿거나 말거나' which means 'believe it or not.'

Yes, '건' is a shortened, more informal version of '거나'. It is frequently used in spoken Korean and in certain fixed expressions to make the sentence sound punchier.

Yes. For example, '친구가 오거나 내가 갈게' (A friend comes or I will go). The subjects can be different as long as the '거나' is attached to the verb stem of the first clause.

Yes, '거나' is perfectly acceptable in formal, neutral, and informal Korean. It is a fundamental grammar point that is not restricted by register, although in very formal writing, it might be paired with '혹은'.

Generally, yes. It functions like the English 'disjunctive or,' suggesting that one of the listed options will occur or is true, rather than both.