가능하다

The Korean word 가능하다 (ganeunghada) is a foundational adjective that translates most directly to "to be possible" or "to be feasible" in English. At its core, it describes a state where an action can be performed, a goal can be achieved, or a condition can exist within the realm of reality or permission. Unlike the English word "can," which often functions as a modal verb, 가능하다 functions as a descriptive verb (adjective) in Korean grammar, meaning it describes the status of a situation rather than the direct ability of a subject. This distinction is crucial for learners moving into the intermediate B1 level, as it shifts the focus from personal capability to situational potentiality.

Feasibility in Business

In professional settings, this word is the gold standard for discussing project timelines, budget constraints, and resource allocation. When a manager asks if a deadline is '가능한지' (whether it is possible), they are looking for a logical assessment of reality. It removes the emotional weight of 'can you do it' and replaces it with 'is this logically achievable'.

Permission and Availability

When booking a hotel or a restaurant, you will constantly hear '예약이 가능합니다' (Reservation is possible). Here, it signifies availability. It is less about the physical act of making the reservation and more about the existence of an open slot. Similarly, in technology, '다운로드 가능' (Download possible) indicates that the file is accessible and the system allows the action.

Theoretical Potential

In scientific or philosophical contexts, 가능하다 explores the boundaries of what could be. It is used to discuss hypotheses, such as '생명체가 살 수 있는 환경이 가능한가?' (Is an environment where life can live possible?). It deals with the ontological state of being achievable or existing as a choice among many.

The word is composed of the Hanja (Sino-Korean characters) 可 (가), meaning 'can' or 'approve', and 能 (능), meaning 'ability' or 'power'. When combined with the suffix '하다', it creates a state of 'having the power to be approved by reality'. This etymological background helps explain why the word feels more formal and objective than the simple '-ㄹ 수 있다' ending. While '-ㄹ 수 있다' is often used for personal skills (I can swim), 가능하다 is used for objective circumstances (Swimming is possible here).

Social Nuance

In social interactions, asking '시간 가능하세요?' (Is time possible? / Do you have time?) is a polite way to check someone's availability without being too intrusive. It focuses on the 'time' being available rather than the 'person' being forced to do something, which aligns with the indirect nature of polite Korean speech.

In summary, 가능하다 is a versatile tool for navigating the world of potential. Whether you are checking the feasibility of a space mission or simply asking if a cafe has Wi-Fi, this word provides the necessary linguistic framework to discuss what can and cannot be done. It bridges the gap between abstract possibility and concrete reality, making it an indispensable part of the B1 vocabulary repertoire.

Using 가능하다 correctly requires an understanding of Korean adjective syntax. Unlike verbs that take objects with the particle '-을/를', 가능하다 is a descriptive verb that typically takes a subject marked with '-이/가'. This is because you are describing the 'possibility' of a noun. For example, in the phrase '통화가 가능합니다' (A phone call is possible), '통화' (phone call) is the subject being described as 'possible'.

The Noun + 이/가 가능하다 Pattern

This is the most common structure. You take a noun representing an action or a state and follow it with the subject particle.
Example: 배달이 가능합니다. (Delivery is possible.)
Here, '배달' (delivery) is the noun. This pattern is seen everywhere from restaurant signs to app interfaces.

The Verb-기 + 가 가능하다 Pattern

When you want to say an action is possible, you must turn the verb into a noun using the '-기' nominalizer.
Example: 혼자 가기가 가능할까요? (Would going alone be possible?)
While '-ㄹ 수 있다' is more common for this, using '가능하다' adds a layer of formal inquiry into the feasibility of the act.

Another important usage is the noun-modifying form, 가능한. This is used to describe a following noun as being 'possible'. A very common set phrase is '가능한 한' (as... as possible). For instance, '가능한 한 빨리' means 'as fast as possible'. This structure is vital for expressing urgency or limits in a sophisticated way.

Negative Form: 불가능하다

To say something is impossible, you simply add the prefix '불-' (不), meaning 'not'. '불가능하다' is used in the exact same grammatical structures as '가능하다'.
Example: 그것은 이론적으로 불가능합니다. (That is theoretically impossible.)

In questions, 가능하다 often takes the '-ㄹ까요?' or '-ㄴ가요?' endings to sound softer. '이게 가능할까요?' (Would this be possible?) sounds much more natural and polite than the blunt '이게 가능해요?'. When answering, a simple '네, 가능합니다' (Yes, it is possible) is the standard professional response. Mastery of these patterns allows a learner to navigate complex logistical conversations with ease.

If you step foot in South Korea or engage with Korean media, 가능하다 will be one of the most frequent words you encounter. Its usage spans from high-tech industrial reports to the simple stickers on a taxi window. Understanding these contexts helps you recognize the word's versatility and the specific 'vibe' it carries in different environments.

Customer Service and Retail

Walk into any cafe in Seoul, and you might see a sign that says '테이크아웃 가능' (Take-out possible). When you ask for a refund, the clerk might say '환불은 일주일 이내에만 가능합니다' (Refunds are only possible within one week). In these contexts, the word defines the rules of engagement between a business and a customer. It is the language of policy and availability.

Digital Interfaces and Apps

Korean apps like KakaoTalk, Naver, and Coupang use this word extensively. You'll see buttons labeled '구매 가능' (Available for purchase) or status messages like '접속 가능' (Connection possible/Online). In the digital world, it acts as a binary indicator: either a function is enabled or it is not.

In the news and media, 가능하다 is used to discuss political possibilities or economic forecasts. A news anchor might say, '양측의 합의가 가능할 것으로 보입니다' (It appears that an agreement between both sides will be possible). Here, the word carries a sense of expert prediction. It isn't just a guess; it's an assessment based on the current situation.

Casual Texting (SMS/Kakao)

In casual texts, you might see it shortened or used in very brief sentences. '오늘 가능?' (Possible today?) is a common way to ask a friend if they can meet up. While grammatically incomplete, the meaning is perfectly clear: 'Are you available to hang out today?' This shows how the word has moved from formal Hanja roots into the core of daily slang.

Whether you are reading a legal contract or a text from a friend, 가능하다 is the word that defines the boundaries of action. It is the linguistic 'green light' of the Korean language, signaling that the path is clear for whatever comes next.

For English speakers, the most common mistakes with 가능하다 stem from the differences between the English 'possible/can' and the Korean grammatical structure. Because 'possible' is an adjective in English but 'can' is a modal verb, learners often mix up the two when translating thoughts into Korean.

Mistake 1: Using the Object Particle (-을/를)

As mentioned before, 가능하다 is an adjective. In Korean, adjectives cannot take objects.
Wrong: 영어를 가능해요. (I can do English - using object particle)
Right: 영어가 가능해요. (English is possible - using subject particle)
Think of it as saying 'English is possible for me' rather than 'I possible English'.

Mistake 2: Confusing Personal Ability with Situational Possibility

Learners often use 가능하다 when they should use '-ㄹ 수 있다'. If you are talking about a skill you learned, like playing the piano, you should use '-ㄹ 수 있다'.
Awkward: 피아노 연주가 가능해요. (Sounds like you're discussing the technical possibility of a piano being played).
Natural: 피아노를 칠 수 있어요. (I can play the piano).
Use 가능하다 for external circumstances and '-ㄹ 수 있다' for internal skills.

Another mistake is overusing the word in very informal settings where a simple verb would suffice. While not 'wrong', saying '식사가 가능해요?' (Is a meal possible?) to a friend sounds like you're a robot. In casual settings, '밥 먹을 수 있어?' (Can you eat?) or '밥 먹을래?' (Want to eat?) is much better.

Mistake 3: Incorrect Noun Modification

When modifying a noun, you must use '가능한', not '가능하다'.
Wrong: 가능하다 방법 (Possible method)
Right: 가능한 방법 (Possible method)
This is a basic rule of Korean adjectives that learners often forget in the heat of conversation.

By keeping these distinctions in mind—subject particles, situational context, and proper adjective forms—you can avoid the 'uncanny valley' of Korean speech and sound much more like a native speaker.

While 가능하다 is the most common way to express possibility, Korean offers several other expressions that carry slightly different nuances. Knowing when to use these alternatives will make your Korean sound more precise and natural.

-ㄹ 수 있다 (The Universal 'Can')

This is the most versatile alternative. It covers both 'ability' (I can speak Korean) and 'possibility' (It can rain). While 가능하다 is more formal and situational, '-ㄹ 수 있다' is the default for daily conversation.
Comparison: '주차가 가능합니다' (Parking is possible - official sign) vs '여기 주차할 수 있어요' (You can park here - friend telling a friend).

될 수 있다 (To become possible / To be able to happen)

This emphasizes the 'becoming' or the 'result'. It is often used for things that might happen in the future.
Example: '큰 문제가 될 수 있습니다' (It could become a big problem). 가능하다 wouldn't fit well here because we are talking about a potential outcome rather than a feasible action.

가망이 있다 (To have a chance / prospect)

This is used specifically for 'hope' or 'likelihood' of success, often in medical or competitive contexts.
Example: '회복할 가망이 있습니다' (There is a chance of recovery). 가능하다 is too clinical; '가망' adds a sense of hope or statistical likelihood.

Another interesting alternative is 할 만하다. This translates to 'worth doing' or 'manageable'. If someone asks if a task is possible, and you want to say 'It's doable (but maybe a bit hard)', you say '할 만해요'. This is much more expressive than the binary '가능해요'.

유력하다 (Highly likely)

When a possibility is very high, almost certain, '유력하다' is used. For example, '당선이 유력하다' (Election is highly likely). While '당선이 가능하다' means it's possible they win, '유력하다' means they are the front-runner.

Understanding these synonyms allows you to move beyond the basic 'yes/no' of possibility and describe the specific flavor of potential in any given situation. Whether it's a slim chance (가망), a worthy effort (할 만하다), or a professional feasibility (가능하다), you now have the tools to choose the right word.