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A1 noun #2,559 most common 11 min read

制限

seigen
Practice it Examples Notes & Tips 制限 in 30 Seconds
Explanation 制限 in your Level:
At the A1 (Beginner) level, learners are introduced to the word 制限 (seigen) primarily through common signs and basic rules they will encounter in Japan. While the word itself might seem slightly complex for absolute beginners, its components are visually ubiquitous. Beginners will learn to recognize compound words like 時間制限 (jikan seigen - time limit) and 速度制限 (sokudo seigen - speed limit). At this stage, the focus is not on using 制限 as a complex verb, but rather understanding it as a noun that signals a boundary. For example, when going to a karaoke box or an all-you-can-eat restaurant, a beginner needs to understand that '時間制限は二時間です' (The time limit is two hours). Teachers at this level will emphasize memorizing the word as part of set phrases. The kanji might not be fully written by the student, but recognizing the shapes of 制 and 限 on warning signs or menus is a critical survival skill. The explanation focuses on the translation 'limit' and its application in highly predictable, everyday scenarios. Simple sentences like '制限があります' (There is a limit) are practiced to help learners express or understand that a restriction is in place.
At the A2 (Elementary) level, learners begin to use 制限 more actively in sentences and start combining it with verbs. They move beyond just reading signs to explaining simple rules to others or understanding instructions from staff. At this level, the structure [Noun] + に制限がある (There is a limit to...) becomes a key grammar point. For instance, a learner might say '荷物に制限があります' (There is a limit on luggage) when preparing for a flight. They also learn the negative form, 制限がない (There is no limit), which is useful for expressing concepts like unlimited data or free access. Furthermore, A2 learners are introduced to the suru-verb form, 制限する (to limit/restrict), in its simplest applications, such as 'ゲームの時間を制限する' (to limit game time). The vocabulary expands to include 年齢制限 (age limit) and カロリー制限 (calorie limit). The focus is on practical daily communication, allowing the learner to navigate services, understand basic terms and conditions, and express personal rules or habits, such as being on a diet.
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At the B1 (Intermediate) level, the usage of 制限 becomes more nuanced and grammatical. Learners are expected to use the passive form, 制限される (to be restricted), which is extremely common in Japanese when discussing rules imposed by an external authority. For example, 'インターネットの利用が制限されている' (Internet use is restricted). At this stage, learners can discuss the reasons behind restrictions using conjunctions like ため (because of) or から (since). They begin to encounter 制限 in news headlines and articles, such as travel restrictions during a pandemic (渡航制限) or purchase limits during shortages (購入制限). The B1 learner is also taught to distinguish 制限 from similar words like 限界 (physical limit) and 限定 (limited edition), correcting the common mistake of using 'limit' interchangeably as in English. They can express opinions on whether a restriction is fair or necessary, using phrases like '制限を設けるべきだ' (A limit should be set). This level marks the transition from merely surviving in Japanese to actively participating in discussions about societal rules and personal boundaries.
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At the B2 (Upper Intermediate) level, 制限 is fully integrated into the learner's active vocabulary, and they can use it in abstract, professional, and academic contexts. Learners at this stage discuss complex topics such as economic restrictions, dietary science, and digital rights. Vocabulary expands to include advanced compounds like 通信速度制限 (data throttling), 輸出制限 (export restrictions), and 行動制限 (behavioral restrictions). They master advanced verb pairings such as 制限を解除する (to lift a restriction), 制限を緩和する (to relax a restriction), and 制限を強化する (to tighten a restriction). B2 learners can write formal emails or essays explaining why certain limits are in place, using appropriate register (Keigo) when necessary, such as '誠に勝手ながら、ご利用に制限を設けさせていただきます' (Please excuse the inconvenience, but we will be placing a restriction on usage). They also deeply understand the nuances between 制限, 規制 (regulation), and 制約 (constraint), choosing the exact right word for the context. Listening comprehension includes understanding rapid news broadcasts detailing government policies or corporate terms of service.
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At the C1 (Advanced) level, learners handle 制限 with native-like fluency, utilizing it in highly specialized, legal, or technical discussions. They encounter the word in complex reading materials, such as legal contracts, academic papers, and technical manuals. At this level, the focus is on idiomatic usage, subtle nuances, and complex grammatical structures. They might use phrases like '無制限の権力' (unlimited power) or discuss '字数制限の厳しい論文' (an essay with strict character limits). C1 learners can debate the ethical implications of restrictions, such as '表現の自由に対する制限' (restrictions on freedom of expression) or '著作権による制限' (restrictions due to copyright). They effortlessly navigate the passive-causative forms if necessary, and understand implicit restrictions in high-context Japanese communication. The distinction between 制限 and its synonyms is no longer a conscious effort but an intuitive choice. They can also comprehend and produce literary or journalistic texts where 制限 is used metaphorically or rhetorically to describe societal limitations or psychological barriers.
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At the C2 (Mastery) level, the understanding and application of 制限 are indistinguishable from a highly educated native speaker. C2 learners can analyze the etymology of the kanji (制 and 限) to deduce the meanings of obscure or newly coined compound words. They can critically evaluate texts that discuss legislative frameworks, constitutional limits, or complex international trade restrictions (e.g., 関税や輸入制限の撤廃 - the abolition of tariffs and import restrictions). They are adept at using 制限 in high-level negotiations, legal drafting, or academic defense, employing sophisticated vocabulary such as '制限行為能力者' (person with limited capacity to act - a legal term). At this stage, the learner can play with the language, understanding jokes, puns, or cultural critiques centered around societal rules and limitations in Japan. They can seamlessly shift registers, from discussing a casual 'carbo-restriction diet' (糖質制限) with friends to delivering a formal keynote speech on 'environmental constraints and resource limitations' (環境的制約と資源の制限), demonstrating absolute mastery over the word's broad spectrum of applications.
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Practice it Examples Notes & Tips

制限 in 30 Seconds

  • Refers to an imposed limit or restriction.
  • Commonly used for time, speed, and age limits.
  • Can be used as a verb: 制限する (to restrict).
  • Different from 限界 (natural/physical limit).

The Japanese word 制限 (せいげん - seigen) is a highly versatile and frequently used noun that translates to 'restriction,' 'limitation,' or 'limit.' It refers to a boundary or rule placed upon the amount, number, scope, or extent of something to maintain order, safety, or fairness. The kanji characters provide a clear picture of its meaning: 制 (sei) means 'system,' 'control,' or 'rule,' while 限 (gen) means 'limit' or 'bound.' Together, they form a concept of 'controlling by setting limits.'

Physical Limits
Used for tangible boundaries like speed limits (速度制限) or weight limits (重量制限) on elevators and bridges.
Abstract Limits
Applies to intangible constraints such as time limits (時間制限), age restrictions (年齢制限), or calorie restrictions (カロリー制限).
Legal/Systematic Limits
Refers to governmental or institutional rules, such as export restrictions (輸出制限) or entry restrictions (入場制限).

この道路は時速50キロの制限があります。

This road has a speed limit of 50 km/h.

Understanding 制限 is crucial for navigating daily life in Japan, as you will encounter it on signs, in terms of service, and in everyday conversation. It implies an externally imposed boundary rather than a natural one. For instance, a natural physical limit of human endurance is 限界 (genkai), whereas a time limit set for a test is 制限 (seigen).

年齢制限のため、この映画は見られません。

Due to age restrictions, I cannot watch this movie.

The concept of 制限 is deeply embedded in Japanese society, which values order, harmony, and adherence to rules. Whether it is a restriction on the number of items you can buy during a sale (購入制限) or a limit on the amount of luggage you can bring on a flight (手荷物制限), these boundaries are established to ensure that systems function smoothly and equitably for everyone involved. By mastering this word, learners gain access to a broad spectrum of vocabulary necessary for both basic survival and advanced discourse in Japanese.

食べ放題のコースには90分の時間制限があります。

The all-you-can-eat course has a 90-minute time limit.

In summary, 制限 is a foundational word that bridges the gap between simple everyday rules and complex societal regulations. Its frequent appearance in compound nouns makes it a highly productive vocabulary item that will exponentially increase your reading and listening comprehension.

Using 制限 correctly involves understanding its function both as a standalone noun and as a suru-verb (制限する). As a noun, it frequently attaches to other nouns to create compound words. These compounds are ubiquitous in Japanese. For example, when you want to say 'time limit,' you simply combine 時間 (time) and 制限 (limit) to get 時間制限 (jikan seigen). This modular nature makes it very easy for learners to expand their vocabulary rapidly.

Verb Pairings: 制限を設ける (seigen o moukeru)
Means 'to set a limit' or 'to establish a restriction.' Used when an authority or system creates a new rule. Example: 人数に制限を設ける (to set a limit on the number of people).
Verb Pairings: 制限を超える (seigen o koeru)
Means 'to exceed the limit.' Used when a boundary has been crossed. Example: 速度制限を超える (to exceed the speed limit).
Verb Pairings: 制限を解除する (seigen o kaijo suru)
Means 'to lift a restriction.' Commonly seen in news regarding the lifting of travel bans or emergency states.

医者にカロリーを制限されています。

My calories are being restricted by my doctor.

When used as a verb (制限する), it takes the particle を (o) to indicate the object being restricted. For instance, 自由を制限する (jiyuu o seigen suru) means 'to restrict freedom.' It can also be used in the passive form, 制限される (seigen sareru), meaning 'to be restricted.' This passive usage is very common when talking about rules that apply to the speaker or the general public, as Japanese often prefers passive constructions to describe situations where the agent (the rule-maker) is less important than the impact of the rule.

スマートフォンのデータ通信が制限されました。

My smartphone's data communication was restricted.

Another common grammatical structure is [Noun] + に制限がある (ni seigen ga aru), which translates to 'there is a limit to [Noun].' For example, 持ち込みの荷物に制限があります (There is a limit to carry-on luggage). This structure is polite, objective, and perfect for customer service scenarios or official announcements. Conversely, [Noun] + に制限はない (ni seigen wa nai) means 'there is no limit to [Noun].'

応募資格に年齢制限はありません。

There is no age limit for application eligibility.

Mastering these verb pairings and grammatical structures will allow you to use 制限 naturally in both spoken and written Japanese. It is a word that instantly elevates your Japanese from basic to intermediate, showing that you understand how to articulate boundaries and conditions clearly.

The word 制限 is ubiquitous in Japan. You will encounter it in almost every facet of daily life, from riding the train to browsing the internet, shopping at a supermarket, or visiting a theme park. Because Japan is a society that relies heavily on clear rules and guidelines to maintain public order and safety, words denoting limits and restrictions are prominently displayed and frequently spoken.

Transportation and Roads
When driving, you will constantly see signs for 速度制限 (sokudo seigen - speed limit). On trains or airplanes, announcements will mention 手荷物制限 (tenimotsu seigen - baggage restrictions) regarding the size and weight of luggage you can bring aboard.
Entertainment and Dining
At all-you-can-eat (食べ放題) or all-you-can-drink (飲み放題) restaurants, the staff will always inform you of the 時間制限 (jikan seigen - time limit), typically 90 or 120 minutes. At theme parks or movie theaters, 年齢制限 (nenrei seigen - age restrictions) or 身長制限 (shinchou seigen - height restrictions) are strictly enforced for safety and appropriateness.
Digital Life and Technology
In the digital realm, 通信制限 (tsuushin seigen - data limit/throttling) is a common complaint among smartphone users who have used up their monthly data allowance. You will also see 文字数制限 (mojisuu seigen - character limit) on social media platforms or application forms.

このアトラクションは身長制限があります。

This attraction has a height restriction.

In retail environments, especially during sales, product shortages, or emergencies, stores often implement 購入制限 (kounyuu seigen - purchase limits), such as 'お一人様2点まで' (Limit 2 per customer). This ensures that goods are distributed fairly among customers. During the pandemic, the term 入場制限 (nyuujou seigen - admission restriction) became incredibly common as stores and venues limited the number of people allowed inside to prevent crowding.

月末になると、いつも通信制限にかかってしまう。

At the end of the month, I always get hit with data throttling.

In medical and health contexts, 制限 is used to discuss diets and lifestyle changes. A doctor might advise a patient to undergo カロリー制限 (calorie restriction) or 糖質制限 (toushitsuseigen - low-carb diet / carbohydrate restriction). The latter has become a massive health trend in Japan, with many convenience stores selling '糖質制限' friendly foods.

現在、マスクの購入制限を行っております。

Currently, we are implementing purchase limits on masks.

By paying attention to these contexts, you will quickly realize that 制限 is not just a vocabulary word to be memorized from a textbook, but a practical, everyday term that dictates how society operates in Japan. Recognizing it will help you avoid breaking rules, missing out on services, or misunderstanding instructions.

While 制限 is a highly useful word, Japanese learners frequently confuse it with other words that translate to 'limit' or 'restriction' in English. Because English often uses 'limit' as a catch-all term, learners might apply 制限 in contexts where a different Japanese word is required. Understanding the nuanced differences between these synonyms is key to sounding natural.

Mistake 1: Confusing 制限 (seigen) with 限界 (genkai)
This is the most common error. 制限 refers to an artificial, imposed limit (like a speed limit or time limit). 限界 refers to an absolute, natural, or physical limit (like the limit of one's patience, physical endurance, or the limits of technology). Saying 私の体力の制限 (my physical strength's restriction) sounds unnatural; it should be 私の体力の限界 (the limit of my physical strength).
Mistake 2: Confusing 制限 (seigen) with 規制 (kisei)
規制 is used for official, legal, or governmental regulations aimed at controlling public behavior or industry practices (e.g., 交通規制 - traffic regulations, 銃規制 - gun control). 制限 is broader and can be used for personal rules (like a diet) or specific conditions (like a time limit on a test). You wouldn't use 規制 for a 90-minute buffet limit.
Mistake 3: Confusing 制限 (seigen) with 限度 (gendo)
限度 refers to a maximum allowable amount or a boundary of degree, often related to money, patience, or capacity (e.g., クレジットカードの利用限度額 - credit card spending limit). While similar to 制限, 限度 focuses more on the 'maximum threshold' rather than the 'act of restricting.'

❌ 誤: 私の我慢も制限だ。
⭕ 正: 私の我慢も限界だ。

Incorrect vs. Correct: My patience has reached its limit.

Another common grammatical mistake is using the wrong particle with the verb form. Learners sometimes say 制限になる (seigen ni naru) when they mean 'to be restricted.' The correct passive form is 制限される (seigen sareru). Additionally, when stating that a limit exists, the correct phrasing is 制限がある (seigen ga aru), not 制限をする (seigen o suru) unless you are the one actively enforcing the restriction.

❌ 誤: 政府は新しい法律でインターネットを限界した。
⭕ 正: 政府は新しい法律でインターネットを制限した。

Incorrect vs. Correct: The government restricted the internet with a new law.

Finally, be careful with pronunciation. The word is 制限 (せいげん - seigen), with a long 'ei' sound in the first syllable. Pronouncing it as 'segen' or 'shigen' (which means resources, 資源) can lead to confusion. Always ensure you elongate the 'se-i' properly. By keeping these distinctions in mind, you will avoid the most common pitfalls associated with this vocabulary word.

クレジットカードの限度額を超えてしまった。

I exceeded my credit card limit. (Using 限度 instead of 制限 for financial limits).

Mastering these nuances takes time, but by analyzing the context—whether it's an imposed rule, a natural boundary, or a legal regulation—you can choose the perfect Japanese word every time.

The Japanese language is rich with vocabulary related to boundaries, rules, and limits. While 制限 is one of the most common, expanding your vocabulary to include its synonyms will greatly enhance your reading comprehension and expressive precision. Let's explore some of the most closely related words and how they differ from 制限.

限定 (げんてい - gentei) : Limitation / Exclusivity
While 制限 focuses on restricting an amount or action, 限定 focuses on restricting the scope to a specific group, time, or condition. It often carries a positive or exclusive nuance in marketing. Example: 期間限定 (kikan gentei - limited time offer), 地域限定 (chiiki gentei - regional exclusive). You wouldn't use 制限 for a limited-edition sneaker.
制約 (せいやく - seiyaku) : Constraint / Condition
制約 implies a condition or constraint that binds someone's actions, often due to a contract, promise, or unavoidable circumstance. It feels heavier and more formal than 制限. Example: 時間の制約がある (There are time constraints - implying a tight schedule preventing one from doing something, rather than a strict stopwatch limit).
規制 (きせい - kisei) : Regulation / Control
As mentioned in common mistakes, 規制 is used for official, legal, or governmental regulations. It is about controlling a system or society. Example: 交通規制 (koutsuu kisei - traffic regulation/control).

この商品は季節限定です。

This product is a seasonal limited edition. (Using 限定 instead of 制限).

Another related concept is 限界 (genkai - absolute limit), which deals with the maximum capacity of endurance or physical possibility. There is also 限度 (gendo - limit/bounds), which is often used for maximum allowable amounts, such as financial limits or limits of acceptable behavior (e.g., 冗談にも限度がある - There is a limit to joking).

予算の制約により、プロジェクトは中止された。

Due to budget constraints, the project was canceled.

When deciding which word to use, consider the source of the boundary. If it's an arbitrary rule set for order (like a 90-minute buffet), use 制限. If it's to create exclusivity (like a winter-only flavor), use 限定. If it's a legal law controlling an industry, use 規制. If it's an unavoidable condition holding you back, use 制約.

法律で厳しく規制されている。

It is strictly regulated by law.

By categorizing these words based on their specific nuances—exclusivity, legality, physical capacity, or arbitrary rules—you can build a highly sophisticated and accurate Japanese vocabulary.

How Formal Is It?

Difficulty Rating

Grammar to Know

Passive voice (〜される) for rules imposed on you.

Noun + には (As for [Noun]...) when introducing a topic with a limit.

〜ため (Because of / In order to) when explaining the reason for a restriction.

〜ざるを得ない (Cannot help but) when forced to accept a restriction.

〜べきだ (Should) when discussing if a restriction is necessary.

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Examples by Level

1

時間制限はありますか。

Is there a time limit?

[Noun] + はありますか (Is there [Noun]?)

2

速度制限は50キロです。

The speed limit is 50 km/h.

Noun + は + [Number] + です

3

このテストは時間制限があります。

This test has a time limit.

[Noun] + があります (There is [Noun])

4

年齢制限で入れません。

I cannot enter due to the age limit.

Noun + で (due to / because of)

5

制限は何ですか。

What is the limit?

[Noun] + は何ですか (What is [Noun]?)

6

荷物の制限に注意してください。

Please be careful of the luggage limit.

[Noun] + に注意する (To be careful of [Noun])

7

制限時間を過ぎました。

The time limit has passed.

Verb past tense (過ぎました)

8

カロリー制限をしています。

I am on a calorie restriction (diet).

Verb te-form + います (ongoing action)

1

食べ放題には90分の時間制限があります。

The all-you-can-eat has a 90-minute time limit.

Noun + には (As for [Noun], there is...)

2

スマートフォンのデータ通信が制限されました。

My smartphone's data communication was restricted.

Passive verb (制限されました)

3

この映画は年齢制限がないので、子供も見られます。

This movie has no age limit, so children can watch it too.

〜ないので (Because there is no...)

4

お一人様2個までの購入制限があります。

There is a purchase limit of up to 2 items per person.

[Number] + まで (Up to [Number])

5

医者に甘いものを制限されています。

I am restricted from eating sweets by my doctor.

Passive continuous (制限されています)

6

文字数制限は400字です。

The character limit is 400 characters.

Compound noun (文字数制限)

7

身長制限に引っかかって、ジェットコースターに乗れなかった。

I didn't meet the height restriction and couldn't ride the roller coaster.

Verb te-form + verb negative potential (引っかかって、乗れなかった)

8

荷物の重量制限を超えてしまった。

I exceeded the luggage weight limit.

Verb te-form + しまった (expressing regret/completion)

1

感染拡大を防ぐため、入場制限が行われています。

Admission restrictions are being implemented to prevent the spread of infection.

〜ため (In order to / Because of) + Passive continuous

2

今月は通信制限にかかってしまい、動画が遅いです。

I hit my data limit this month, so videos are slow.

Idiomatic expression (制限にかかる - to be hit with a limit)

3

健康のために、糖質制限ダイエットを始めました。

I started a low-carb diet for my health.

Noun + のために (For the sake of [Noun])

4

応募資格に国籍の制限は一切ありません。

There are absolutely no nationality restrictions for application eligibility.

一切〜ない (Absolutely no...)

5

予算の制限がある中で、最高のイベントを作りたい。

I want to create the best event within the budget limits.

〜中で (Within the context/limits of...)

6

政府は海外からの渡航制限を一部解除しました。

The government partially lifted travel restrictions from overseas.

Verb past tense (解除しました - lifted)

7

自由を制限するような法律には反対です。

I am opposed to laws that restrict freedom.

Verb dictionary form + ような + Noun (Noun that does [Verb])

8

文字数制限内に収めるのがとても難しいです。

It is very difficult to fit it within the character limit.

Noun + 内に (Within [Noun]) + Verb dictionary form + のが (The act of doing... is)

1

表現の自由は尊重されるべきだが、一定の制限も必要だ。

Freedom of expression should be respected, but certain limits are also necessary.

〜べきだが (Should be..., but) + 一定の (Certain/Fixed)

2

輸出制限の強化により、多くの企業が打撃を受けている。

Due to the tightening of export restrictions, many companies are taking a hit.

Noun + により (Due to / By means of)

3

システムの負荷を軽減するため、アクセス制限を設けた。

We established access restrictions to reduce the load on the system.

制限を設ける (To establish a limit)

4

年齢制限を設けることの是非について議論が交わされた。

A discussion was held regarding the pros and cons of setting an age limit.

〜ことの是非 (The pros and cons of doing...)

5

無制限のデータプランに変更してから、ストレスが減った。

Since changing to an unlimited data plan, my stress has decreased.

無制限 (Unlimited) + Verb te-form + から (Since doing...)

6

厳しい食事制限の末、彼は見事な肉体を手に入れた。

After strict dietary restrictions, he obtained a magnificent physique.

Noun + の末 (At the end of / After a long period of)

7

法律による制限を回避するための抜け道が存在する。

There are loopholes that exist to bypass legal restrictions.

〜を回避するため (In order to avoid/bypass...)

8

緊急事態宣言に伴い、営業時間の制限が要請された。

Along with the state of emergency, a restriction on business hours was requested.

Noun + に伴い (Along with / In accordance with)

1

憲法上、個人の権利に対する制限は最小限にとどめられなければならない。

Constitutionally, restrictions on individual rights must be kept to an absolute minimum.

〜に対する (Regarding/Against) + 最小限にとどめる (Keep to a minimum)

2

独占禁止法は、市場における競争を不当に制限する行為を禁じている。

The Antimonopoly Act prohibits acts that unfairly restrict competition in the market.

不当に制限する (To unfairly restrict)

3

著作権法における権利制限規定の解釈を巡って裁判で争われた。

There was a legal dispute in court over the interpretation of the rights limitation provisions in the Copyright Act.

〜を巡って (Over / Concerning)

4

資源の制限という物理的な制約の中で、いかに持続可能な社会を築くかが問われている。

The question is how to build a sustainable society within the physical constraints of resource limitations.

〜という (Called / Namely) + いかに〜か (How to...)

5

その協定は、加盟国に対して厳しい軍備制限を課すものだった。

The agreement was one that imposed strict armament restrictions on member nations.

〜に対して (Towards/On) + 制限を課す (To impose restrictions)

6

遺伝子操作技術の発展に伴い、倫理的な観点からの制限が急務となっている。

With the development of genetic engineering technology, restrictions from an ethical standpoint have become an urgent task.

〜に伴い (As... develops/happens) + 急務となっている (Has become an urgent task)

7

彼は自らに厳しい制限を課すことで、芸術的インスピレーションを高めている。

He heightens his artistic inspiration by imposing strict limits on himself.

自らに (On oneself) + 〜ことで (By doing...)

8

金融政策の波及効果は、ゼロ金利制約という制限下では限定的にならざるを得ない。

The ripple effect of monetary policy inevitably becomes limited under the restriction of the zero-interest-rate bound.

〜下では (Under the condition of...) + 〜ざるを得ない (Cannot help but / Inevitably)

1

法益権衡の原則に照らせば、当該行政処分による私権の制限は違憲の疑いが濃厚である。

In light of the principle of balancing legal interests, the restriction of private rights by the administrative disposition in question is highly suspected of being unconstitutional.

〜に照らせば (In light of) + 疑いが濃厚である (Highly suspected)

2

人間の認知能力の生得的な制限が、我々の宇宙論的理解の限界を規定しているという哲学的な立場がある。

There is a philosophical position that the innate limitations of human cognitive abilities define the bounds of our cosmological understanding.

生得的な (Innate) + 規定している (Defining)

3

為替管理法に基づく資本取引の制限は、グローバル経済の潮流に逆行する時代錯誤な施策と批判された。

Restrictions on capital transactions based on the Foreign Exchange Control Law were criticized as an anachronistic measure going against the tide of the global economy.

〜に基づく (Based on) + 逆行する (Going against)

4

言語という媒体が持つ構造的制限を乗り越えようとする試みこそが、前衛文学の真骨頂である。

The very attempt to overcome the structural limitations inherent in the medium of language is the true essence of avant-garde literature.

〜こそが (Is the very...) + 真骨頂 (True essence/worth)

5

制限行為能力者制度は、判断能力が不十分な者を保護する一方で、その自己決定権を制約するジレンマを抱えている。

The system of persons with limited capacity to act harbors a dilemma: while protecting those with insufficient judgment, it constrains their right to self-determination.

〜する一方で (While doing..., on the other hand) + ジレンマを抱えている (Harbors a dilemma)

6

量子コンピュータの実用化は、従来のノイマン型アーキテクチャが抱えていた計算速度の物理的制限を根本から覆すだろう。

The practical application of quantum computers will fundamentally overturn the physical limitations of calculation speed inherent in the traditional von Neumann architecture.

根本から覆す (Fundamentally overturn)

7

自由貿易協定におけるセーフガード条項は、国内産業保護のための例外的な輸入制限措置として機能する。

The safeguard clause in free trade agreements functions as an exceptional import restriction measure for the protection of domestic industries.

例外的な (Exceptional) + 〜として機能する (Functions as)

8

彼は、形式的な韻律の制限が逆に詩的想像力を飛躍させるというパラドックスを見事に体現した。

He brilliantly embodied the paradox that formal metrical restrictions conversely cause poetic imagination to leap forward.

逆に (Conversely) + 見事に体現した (Brilliantly embodied)

Synonyms

限定 制約 規制 拘束 歯止め

Antonyms

無制限 解放 自由

Common Collocations

時間制限 (time limit)
年齢制限 (age limit)
速度制限 (speed limit)
制限を設ける (to set a limit)
制限を超える (to exceed a limit)
制限を解除する (to lift a restriction)
カロリー制限 (calorie restriction)
入場制限 (admission restriction)
購入制限 (purchase limit)
通信制限 (data throttling/limit)

Common Phrases

制限があります (There is a limit)
制限はありません (There is no limit)
制限時間内に (Within the time limit)
制限にかかる (To hit a limit / be restricted)
制限を受ける (To be subject to restrictions)
厳しく制限する (To strictly restrict)
一部制限する (To partially restrict)
制限を緩和する (To relax restrictions)
制限を強化する (To tighten restrictions)
無制限に (Without limit / Unlimitedly)

Often Confused With

制限 vs 限界 (genkai - physical/natural limit)

制限 vs 規制 (kisei - legal regulation)

制限 vs 限度 (gendo - maximum allowable amount)

Idioms & Expressions

"制限を設ける (Set a boundary/limit)"
"制限を取り払う (Remove boundaries/restrictions)"
"制限枠を広げる (Expand the quota/limit)"
"時間制限一本勝負 (A one-match sudden death with a time limit)"
"青天井 (No limit / Sky is the limit - antonym concept)"
"歯止めをかける (To put a brake on / restrict)"
"足かせとなる (To become a shackle / restriction)"
"タガをはめる (To put a hoop on / to restrict behavior)"
"野放しにする (To leave unrestricted - antonym concept)"
"枠にはめる (To force into a mold/limit)"

Easily Confused

制限 vs

制限 vs

制限 vs

制限 vs

制限 vs

Sentence Patterns

Word Family

Nouns

無制限 (museigen - unlimited)
制限時間 (seigen jikan - time limit)

Verbs

制限する (seigen suru - to restrict)

Adjectives

制限的 (seigenteki - restrictive)
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How to Use It

nuance

制限 carries a neutral tone. It is neither inherently good nor bad, simply a statement of a boundary.

context warning

Do not use 制限 when talking about the absolute physical limit of human endurance or patience; use 限界 (genkai) instead.

Common Mistakes
  • Using 制限 instead of 限界 when talking about physical or emotional limits.
  • Saying 制限をする when you mean 'there is a limit' (should be 制限がある).
  • Confusing the pronunciation with 資源 (shigen - resources).
  • Using 制限 instead of 規制 for broad government laws.
  • Using 制限 instead of 限定 for 'limited edition' products.

Tips

Passive Form is Key

When talking about rules, Japanese prefers the passive voice. Say '制限されている' (It is restricted) rather than '誰かが制限している' (Someone is restricting it).

Compound Master

Treat 制限 like a Lego block. Stick it to the end of nouns like 時間 (time), 速度 (speed), or 年齢 (age) to instantly create new words.

Casual Alternative

In very casual situations with friends, you can use the English loanword リミット (rimitto), but stick to 制限 for anything official.

Look for the Kanji

When shopping during a sale, look for the kanji 制限 on price tags. It usually means you can only buy a certain number of that item.

Listen for 'Mu'

If you hear 'museigen' (無制限), rejoice! It means 'unlimited', like an unlimited data plan or unlimited drinks.

Formal Verbs

In business emails, use 制限を設ける (to establish a limit) instead of simpler verbs to sound highly professional.

Respect the Limit

In Japan, time limits at restaurants (時間制限) are strictly enforced. Don't try to overstay your welcome!

System + Limit

Remember the kanji: 制 (System/Control) + 限 (Limit). It's a limit created by a system or rule.

Not a Breaking Point

Never use 制限 for emotional breaking points. If you are angry and can't take it anymore, that's 限界 (genkai), not 制限.

Dietary Trends

糖質制限 (toushitsuseigen - low carb diet) is a massive trend in Japan. You'll see this phrase on food packaging everywhere.

Memorize It

Mnemonic

Imagine a SYSTEM (制) that tells you exactly where the BOUNDARY (限) is. 'Say again? (Seigen) There's a limit?'

Word Origin

Sino-Japanese (Kango)

Cultural Context

When imposing a limit on a customer, Japanese staff will use highly polite language, such as '誠に恐れ入りますが、お一人様二点までの制限とさせていただいております' (We humbly apologize, but we have set a limit of two items per customer).

Ignoring a 制限 (like a time limit at an izakaya) is considered very rude. Staff will usually give a 'last order' warning 30 minutes before the time limit expires.

Practice in Real Life

Real-World Contexts

Conversation Starters

"スマホの通信制限にかかったことある？ (Have you ever hit your phone's data limit?)"

"糖質制限ダイエットって効果あるのかな？ (I wonder if the low-carb diet is effective?)"

"食べ放題の時間制限って、いつも短く感じない？ (Don't you always feel like the time limit at all-you-can-eat places is too short?)"

"年齢制限のある映画で、一番好きなのは何？ (What's your favorite age-restricted movie?)"

"もし世界に何の制限もなかったら、何をしたい？ (If there were no limits in the world, what would you want to do?)"

Journal Prompts

Write about a time you felt frustrated by a rule or restriction (制限).

Describe your ideal mobile phone plan. Does it have data limits (通信制限)?

Do you think age restrictions (年齢制限) on video games are effective? Why or why not?

Write about a diet or personal rule (制限) you have tried to follow.

If you could lift one restriction (制限を解除する) in your daily life, what would it be?

Frequently Asked Questions

10 questions

No. For physical stamina, patience, or natural limits, you should use 限界 (genkai). 制限 is for artificial rules.

規制 (kisei) is used for official, governmental, or legal regulations that control an industry or society. 制限 (seigen) is broader and applies to specific limits like time, speed, or personal diets.

You add the prefix 無 (mu) to make 無制限 (museigen), which means unlimited or without restriction.

It is primarily a noun, but it can become a verb by adding する (suru) to make 制限する (to restrict).

You use the object particle を (o). For example, 時間を制限する (to limit the time).

The most natural phrase is 制限を設ける (seigen o moukeru).

通信制限 (tsuushin seigen) refers to data throttling or data limits on mobile phone plans, a very common phrase in modern Japan.

Yes, 年齢制限 (nenrei seigen) is the standard term for age restrictions on movies, games, or services.

You can say 制限を超える (seigen o koeru).

Yes, it is frequently used. Staff might say '制限がございます' (There is a limit) to politely inform customers of rules.

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