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血の繋がった

B1 adjective #8,000 most common 9 min read

血の繋がった

chi no tsunagatta Top 8,000

Practice it Examples Notes & Tips 血の繋がった in 30 Seconds

Explanation 血の繋がった in your Level:

At the A1 level, you are just starting to learn about family words like 'chichi' (father), 'haha' (mother), and 'kazoku' (family). 'Chi no tsunagatta' is a bit advanced for this level, but you can understand it by breaking it down. 'Chi' means 'blood.' 'Tsunagatta' means 'connected.' So, it means 'blood-connected.' You might hear this in simple stories about families. Imagine you have two brothers: one is your 'real' brother and one is a 'step-brother.' To talk about the 'real' one, you could use this word. However, at A1, it's better to focus on the basic names for family members first. Just remember that 'chi' is blood, and it's a very important word in Japanese family culture.

At the A2 level, you are learning more complex descriptions. You might know the word 'tsunagu' (to connect). 'Chi no tsunagatta' is the past tense form used to describe a person. For example, 'chi no tsunagatta kyoudai' means 'siblings connected by blood.' You use this when you want to be very clear that two people have the same biological parents. It's common in cartoons or simple books when a character finds their 'real' family. You should also notice the 'no' particle. Usually, we use 'ga' for subjects, but in this kind of description, 'no' is very common. Try to recognize this phrase when you watch Japanese shows with subtitles.

At the B1 level, you should be able to use 'chi no tsunagatta' to discuss social issues or family dynamics. This level requires understanding the nuance between 'biological' and 'legal' family. You might use this phrase in a discussion about adoption or inheritance. For example, 'Even if they aren't chi no tsunagatta, they are a real family.' You should also be comfortable with the grammar: 'chi' (noun) + 'no' (particle) + 'tsunagatta' (verb in past/attributive form). This is a great phrase to use in essays or speeches when you want to sound more precise than just saying 'real family' (hontou no kazoku). It shows you understand the biological aspect of the relationship.

At the B2 level, you should understand the emotional and cultural weight of 'chi no tsunagatta.' In Japan, blood ties are traditionally very important for the family lineage (the 'ie' system). You might encounter this term in literature or news reports about genetic testing or hospital errors. You should also be able to contrast it with terms like 'kizuna' (emotional bonds). For instance, a B2 learner could debate whether 'blood connection' (chi no tsunagari) is more important than 'emotional connection' (kokoro no tsunagari). You should also notice how the phrase is used in formal contexts, like medical histories or legal explanations regarding 'ketsuen' (blood relations).

At the C1 level, you should have a nuanced understanding of 'chi no tsunagatta' in various registers. You can recognize its use in classical-style modern literature where it might signify themes of destiny, hereditary traits, or the burden of family history. You should be able to use it fluently in complex sentences, perhaps using it as a springboard to discuss the changing nature of the Japanese family in the 21st century. You might also explore the legal implications of 'chi no tsunagatta' in the Civil Code of Japan, particularly regarding 'legitimate' vs. 'illegitimate' children and how these terms have evolved. Your usage should reflect an awareness of the sensitivity surrounding biological vs. non-biological parenting.

At the C2 level, you understand 'chi no tsunagatta' as a fundamental concept in the Japanese psyche. You can analyze its presence in sociological discourse regarding 'blood nationalism' or the historical importance of the imperial bloodline. You are capable of using the phrase in academic writing, perhaps comparing the Japanese concept of blood relation with Western concepts of 'kinship.' You understand that the phrase is not just a biological descriptor but a cultural signifier of belonging, duty, and identity. You can effortlessly switch between this descriptive phrase and more technical terms like 'ketsuen kankei' or 'chokkei' (direct lineage) depending on the audience and purpose of your communication.

Practice it Examples Notes & Tips

血の繋がった in 30 Seconds

Means 'blood-related' or 'biological' family.
Used to distinguish biological kin from adopted or step-family.
Grammatically functions as an adjective modifying a noun.
Carries significant emotional and cultural weight in Japan.

The phrase 血の繋がった (chi no tsunagatta) is an essential Japanese expression used to describe biological relationships, literally translating to "connected by blood." In Japanese culture, where family lineage and the concept of the 'ie' (household) have historically held immense weight, this term serves a vital role in distinguishing biological kin from those related by marriage, adoption, or close social bonds. It is composed of 'chi' (blood), the possessive particle 'no' (which functions as the subject marker 'ga' in this relative clause), and 'tsunagatta,' the past-tense attributive form of 'tsunagaru' (to be connected). While it can be used in medical or legal contexts, it is most frequently encountered in emotional or dramatic discussions about family identity, inheritance, and the 'unbreakable' nature of biological ties.

Grammatical Function: This phrase acts as an adjectival modifier. It almost always precedes a noun like 'brother' (kyoudai), 'parent' (oya), or 'relative' (shinseki) to specify the biological nature of the relationship.

たとえ血の繋がった家族でも、理解し合えないことはある。 (Even with blood-related family, there are things you cannot understand about each other.)

In modern Japan, the use of this term has evolved. With the rise of diverse family structures, including step-families and legal adoptions, 'chi no tsunagatta' is often used to emphasize the 'realness' or 'originality' of a connection, sometimes carrying a nuance of exclusivity. For example, in a story about an orphan finding their birth parents, this phrase would be used to highlight the biological discovery. Conversely, it is often used in contrast with 'kizuna' (bonds), where speakers argue that a heart-to-heart connection is more important than a 'blood-related' one.

Cultural Nuance: The phrase often implies a sense of destiny or inescapable fate. In Japanese drama (dorama), characters often struggle with the fact that they are 'chi no tsunagatta' relatives of a criminal or a rival, suggesting that the blood itself carries weight.

彼は私の血の繋がった弟ではありませんが、本当の弟のように思っています。 (He is not my blood-related younger brother, but I think of him as a real brother.)

Finally, it is worth noting that 'chi no tsunagatta' is slightly formal and very descriptive. In casual conversation, if the context is clear, people might just say 'hontou no' (real) or 'jitsu no' (biological). However, 'chi no tsunagatta' adds a layer of biological certainty and often a touch of poetic or dramatic emphasis that other terms lack. It is a phrase that bridges the gap between cold biological fact and warm familial sentiment.

Using 血の繋がった correctly requires understanding its role as a modifier. Because it ends in the past-tense verb 'tsunagatta' (connected), it functions like an adjective in English. You will almost always see it directly followed by a noun representing a person or a group of people. It is rarely used as a standalone predicate (e.g., 'we are blood-related' is usually expressed as 'chi ga tsunagatte iru' rather than using this specific attributive form).

Common Nouns Modified: 家族 (kazoku - family), 兄弟 (kyoudai - siblings), 親戚 (shinseki - relatives), 親 (oya - parents), 子 (ko - child).

When you want to contrast biological family with adoptive family, this phrase is your primary tool. In legal or medical discussions, it provides the necessary specificity. For instance, when discussing hereditary diseases, a doctor might ask about 'chi no tsunagatta gokazoku' (blood-related family members). In legal inheritance disputes, the distinction between 'chi no tsunagatta ko' (biological child) and 'youshi' (adopted child) is crucial.

私には血の繋がった身寄りが一人もいない。 (I don't have a single blood-related relative.)

Interestingly, the phrase can also be used metaphorically or in negative constructions to emphasize the lack of a bond. If someone says, 'We aren't even blood-related, yet you treat me so well,' they are using the term to highlight the extraordinary nature of the kindness received. It sets a baseline of expectation: society expects blood relatives to care for one another, so when a non-relative does, it is noteworthy.

In literature and film, this phrase is often the catalyst for conflict. A protagonist might discover that the person they thought was their 'chi no tsunagatta' father is actually not. The weight of this revelation relies entirely on the cultural importance of the blood connection. When writing in Japanese, use this phrase when you want to be explicit about biological ties, especially in contexts involving inheritance, identity, or deep-seated family duty.

You will encounter 血の繋がった in several distinct environments, ranging from high-stakes drama to clinical medical settings. One of the most common places is in **Japanese television dramas (dorama)** and **anime**. Family secrets are a staple of Japanese storytelling, and the revelation that someone is or isn't a 'chi no tsunagatta' relative provides a powerful emotional beat. Phrases like 'Chi no tsunagatta oya nara, sonna koto wa shinai!' (A blood-related parent wouldn't do such a thing!) are common tropes.

News and Documentaries: When reporting on issues like 'baby swaps' at hospitals (an occasional topic in Japanese media) or the rights of children born via sperm donation, news anchors will use this term to clarify biological lineage.

In **medical settings**, doctors use this phrase to be precise. When taking a family history for genetic conditions like cancer or diabetes, a physician needs to know about 'chi no tsunagatta' relatives rather than in-laws. It is more polite and natural than using the technical term 'ketsuen kankei' (blood relationship) in a face-to-face consultation. You might hear: 'Chi no tsunagatta gokazoku ni, onaji byouki no kata wa imasu ka?' (Are there any blood-related family members with the same illness?)

この子は、私にとって血の繋がったたった一人の肉親です。 (This child is the only blood-related relative I have left.)

Another common setting is **legal consultations**, particularly regarding inheritance (souzoku). Japan's inheritance laws are very specific about the rights of biological children. A lawyer might explain the difference between a 'chi no tsunagatta ko' and a step-child (tsureko) who has not been formally adopted. Finally, in **biographies or interviews**, celebrities might use the term when discussing their roots or the influence of their biological parents on their talents or personality. It serves as a definitive marker of biological heritage in a way that 'family' (kazoku) alone does not.

One of the most frequent mistakes learners make is confusing 血の繋がった with other 'blood' related terms that have very different meanings. For example, some might accidentally use 'chimamire' (blood-stained) or 'chisuji' (lineage) in the wrong context. 'Chimamire' refers to physical blood on a surface, while 'chisuji' refers to the broader concept of ancestry or 'bloodline' over generations. 'Chi no tsunagatta' is specific to the *connection* between individuals.

Mistake: Overusing it for 'Close' Friends: In English, we sometimes say 'he's like my blood brother' to mean a very close friend. In Japanese, using 'chi no tsunagatta' for a friend is confusing because it is taken literally. To express a deep, non-biological bond, use 'kokoro no tomo' (soul friend) or 'kizuna' (bond) instead.

Another common error involves the particle choice. While 'chi **ga** tsunagatta' is grammatically correct as a sentence ('Blood is connected'), using it to modify a noun (e.g., 'chi ga tsunagatta kazoku') is less common than 'chi **no** tsunagatta kazoku.' This is a quirk of Japanese relative clauses where 'ga' often changes to 'no.' Using 'ga' in the attributive position isn't 'wrong,' but it sounds less natural to native ears.

❌ 彼は私の血が繋がった兄です。
✅ 彼は私の血の繋がった兄です。

Learners also sometimes confuse it with 'jitsu no' (real/biological). While they are often interchangeable, 'jitsu no' is more clinical and direct (e.g., 'jitsu no oya' = biological parent). 'Chi no tsunagatta' is more descriptive and emphasizes the physical/biological link. Using 'chi no tsunagatta' in a very casual, passing comment might feel a bit too 'heavy' or dramatic. If you just want to say 'my biological sister,' 'jitsu no ane' is often sufficient and more concise.

There are several ways to express the idea of biological or family relations in Japanese, each with a different register and nuance. Understanding these helps you choose the right word for the right situation.

実の (Jitsu no): Meaning 'real' or 'biological.' This is the most direct equivalent. It is used frequently in legal and everyday contexts. Example: 'Jitsu no oya' (biological parent). It is less dramatic than 'chi no tsunagatta.'
血縁の (Ketsuen no): A more formal, academic, or sociological term. It refers to 'blood relations' as a concept. You'll find this in textbooks, legal documents, and formal speeches. Example: 'Ketsuen kankei' (blood relationship).
肉親 (Nikushin): This noun refers to one's immediate blood relatives. It carries a sense of 'one's own flesh and blood.' It is often used to emphasize having or not having family. Example: 'Nikushin ga inai' (I have no close blood relatives).

When comparing these, 'chi no tsunagatta' sits in the middle: more descriptive than 'jitsu no,' less clinical than 'ketsuen,' and more focused on the *link* than the noun 'nikushin.' If you are writing a story and want to emphasize the biological bond between two characters who have been separated, 'chi no tsunagatta' is the most evocative choice.

血縁関係 (Ketsuen Kankei) vs 血の繋がった (Chi no tsunagatta):
Ketsuen kankei is the 'label' for the relationship. Chi no tsunagatta is the 'description' of the people involved.

In contrast, if you want to speak about family in a way that *includes* adopted members or in-laws, you should simply use 'kazoku' (family) or 'miuchi' (one's inner circle/relatives). 'Chi no tsunagatta' specifically excludes those who do not share DNA, so use it only when that distinction is the point of your sentence.

How Formal Is It?

Fun Fact

In ancient Japan, blood was seen as a sacred carrier of the 'tama' (spirit), so a blood connection was literally a spiritual connection.

Pronunciation Guide

UK tʃi no tsu.na.ɡat.ta

US tʃi no tsu.nɑ.ɡæt.tə

Pitch accent is low-high-high-high-high-high-low. The pitch rises on 'chi' and stays relatively high until the end of the phrase.

Rhymes With

Magatta (bent) Agatta (went up) Sagatta (went down) Wagatta (understood - informal) Hagatta (peeled) Tagatta (wanted - suffix) Nagatta (was long - non-standard) Dagatta (was - non-standard)

Common Errors

Pronouncing 'chi' as 'shi'.
Missing the double 't' (sokuon) in 'tsunagatta'.
Over-emphasizing the 'u' in 'tsu' (it should be very brief).
Pronouncing 'no' like the English 'know' (it should be a short 'o').
Failing to rise the pitch after the first syllable.

Difficulty Rating

Reading 3/5

Requires knowledge of 'chi' and 'tsunagaru' kanji/grammar.

Writing 3/5

The kanji for 'tsunagaru' (繋) is complex (Level 1 Kanji).

Speaking 2/5

The phrase is long but phonetically simple.

Listening 2/5

Easily recognizable due to the distinctive 'chi no' start.

What to Learn Next

Prerequisites

血 (chi) 繋ぐ (tsunagu) 家族 (kazoku) 兄弟 (kyoudai) 親戚 (shinseki)

Learn Next

血縁 (ketsuen) 戸籍 (koseki) 相続 (souzoku) 絆 (kizuna) 義理 (giri)

Advanced

血肉 (ketsuniku) 血統 (kettou) 宿命 (shukumei) 確執 (kakushitsu) 疎遠 (soen)

Grammar to Know

Relative Clause Noun Modification

血の繋がった家族 (The family that is connected by blood)

Particle 'no' as Subject in Relative Clauses

血の繋がった (where 'no' replaces 'ga')

Past Tense for State

繋がった (connected - describing a current state)

Compound Nouns with 'no'

血の繋がり (blood connection)

Concessive 'demo' with Nouns

血の繋がった家族でも (Even if it is blood-related family)

Examples by Level

彼は私の血の繋がった兄です。

He is my blood-related older brother.

Simple noun modification.

血の繋がった家族は大切です。

Blood-related family is important.

Subject is the modified noun phrase.

彼女には血の繋がった妹がいます。

She has a blood-related younger sister.

Using 'imasu' for existence of people.

これは血の繋がった親子です。

This is a blood-related parent and child.

Describing a relationship.

血の繋がった兄弟はいません。

I don't have blood-related siblings.

Negative existence.

私たちは血の繋がった親戚です。

We are blood-related relatives.

Identifying a group.

血の繋がったお父さんに会いたい。

I want to meet my blood-related father.

Expressing desire with 'tai'.

犬は血の繋がった家族ではありませんが、大好きです。

The dog isn't a blood-related family member, but I love it.

Contrast using 'dewa arimasen'.

血の繋がった兄弟でも、性格は違います。

Even for blood-related siblings, personalities are different.

Using 'demo' for 'even if'.

昨日、血の繋がったおじさんに会いました。

Yesterday, I met my blood-related uncle.

Past tense verb 'aimashita'.

血の繋がった家族を探しています。

I am looking for my blood-related family.

Continuous action 'te imasu'.

彼らは血の繋がった本当の親子ですか？

Are they real, blood-related parent and child?

Question form.

血の繋がった親戚が近くに住んでいます。

Blood-related relatives live nearby.

Location of people.

血の繋がった妹と喧嘩しました。

I had a fight with my blood-related younger sister.

Past tense of 'kenka suru'.

彼は血の繋がった家族が一人もいません。

He doesn't have a single blood-related family member.

Emphasis with 'mo' + negative.

血の繋がったお母さんの名前を知っていますか？

Do you know your blood-related mother's name?

Polite question.

血の繋がった家族がいなくても、幸せになれます。

Even if you don't have blood-related family, you can be happy.

Conditional 'nakute mo'.

血の繋がった子供ではないけれど、自分の子のように育てた。

They aren't my blood-related child, but I raised them like my own.

Contrast with 'keredo'.

病院で血の繋がった親族の病歴を聞かれた。

At the hospital, I was asked about the medical history of my blood relatives.

Passive voice 'kikareta'.

血の繋がった兄弟が突然現れて驚いた。

I was surprised when a blood-related sibling suddenly appeared.

Past tense 'odorokaita'.

血の繋がった親にしか分からない苦労がある。

There are struggles that only a blood-related parent can understand.

Emphasis with 'shika ... nai'.

法的には血の繋がった親子として認められた。

Legally, they were recognized as a blood-related parent and child.

Adverbial 'hou-teki ni'.

血の繋がった身内がいないので、遺産は国に行く。

Since there are no blood-related relatives, the inheritance goes to the state.

Reasoning with 'node'.

血の繋がった関係は、そう簡単に切れるものではない。

A blood-related relationship is not something that can be cut so easily.

Noun nominalization 'mono'.

たとえ血の繋がった親子であっても、礼儀は必要だ。

Even if it's a blood-related parent and child, courtesy is necessary.

Concessive 'tatoe ... de attemo'.

血の繋がった家族との再会は、彼にとって複雑な心境だった。

Reuniting with blood-related family was a complicated feeling for him.

Abstract noun 'shinkyou'.

血の繋がった者同士だからこそ、許せないこともある。

Precisely because they are blood-related, there are things they can't forgive.

Emphasis with 'dakara koso'.

このドラマのテーマは、血の繋がった家族の絆と葛藤です。

The theme of this drama is the bonds and conflicts of blood-related family.

Topic marker 'wa' and 'desu'.

血の繋がった兄弟であっても、相続争いは避けられないことがある。

Even among blood-related siblings, inheritance disputes are sometimes unavoidable.

Potential form 'sakerarenai'.

彼女は血の繋がった母親を探すために、日本へやってきた。

She came to Japan to search for her blood-related mother.

Purpose clause 'tame ni'.

血の繋がった関係を重視する日本の伝統的な家族観。

The traditional Japanese view of family that emphasizes blood-related connections.

Object marker 'o' with 'juushi suru'.

血の繋がった親戚であっても、長年疎遠になっている。

Even though they are blood-related relatives, they have been estranged for years.

State of being 'soen ni natte iru'.

血の繋がった家族の存在が、彼のアイデンティティの根幹を揺るがした。

The existence of blood-related family shook the core of his identity.

Formal noun 'konkan'.

近代以前の日本において、血の繋がった世継ぎの確保は死活問題であった。

In pre-modern Japan, securing a blood-related heir was a matter of life and death.

Historical context phrase 'shikatsu mondai'.

血の繋がった親子関係を証明するために、DNA鑑定が行われた。

To prove the blood-related parent-child relationship, a DNA test was conducted.

Passive 'okonawareta'.

血の繋がった者だけが共有できる、目に見えない運命のようなもの。

Something like an invisible fate that only blood-related people can share.

Relative clause modifying 'mono'.

血の繋がった家族を失った悲しみは、想像を絶するものがある。

The grief of losing blood-related family is beyond imagination.

Idiomatic 'souzou o zessuru'.

血の繋がった縁を断ち切ることは、法的には可能でも精神的には困難だ。

Cutting off blood-related ties is legally possible but psychologically difficult.

Contrast between 'hou-teki' and 'seishin-teki'.

血の繋がった親族間での臓器提供は、倫理的な議論を呼んでいる。

Organ donation among blood-related relatives is sparking ethical debates.

Noun phrase 'rinri-teki na giron'.

血の繋がった実父との確執が、彼の作品に深い影を落としている。

The feud with his biological father casts a deep shadow over his work.

Metaphorical 'kage o otoshite iru'.

血の繋がった血統の純粋性を守るという思想は、排外主義に繋がりかねない。

The ideology of protecting the purity of blood-related lineages can lead to exclusionism.

Auxiliary 'kaneyai' (risk of).

血の繋がった家族という共同体が、個人の自由を束縛する側面も否定できない。

It cannot be denied that the community of blood-related family also has an aspect of restricting individual freedom.

Double negative 'hitei dekinai'.

血の繋がった縁故に頼る社会構造は、近代化の過程で徐々に解体されてきた。

Social structures relying on blood-related connections have been gradually dismantled during the modernization process.

Passive 'kaitai sarete kita'.

血の繋がった親子の情愛は、生物学的な本能を超えた崇高なものと見なされがちだ。

The affection between blood-related parents and children tends to be viewed as something sublime that transcends biological instinct.

Tendency marker 'gachi'.

血の繋がった身内に対する過度な執着が、悲劇を招くという物語の典型。

A typical story pattern where excessive obsession with blood-related kin leads to tragedy.

Noun modification chain.

血の繋がった相続人不在の場合の財産帰属は、民法上の難解な論点の一つである。

The attribution of property in the absence of blood-related heirs is one of the complex points in civil law.

Legal terminology 'zaisan kigoku'.

血の繋がった繋がりを「神聖化」することは、養子縁組家庭への無意識な差別になり得る。

Sacralizing blood-related connections can lead to unconscious discrimination against adoptive families.

Potential 'ari-uru'.

血の繋がった何者かでありたいという根源的な欲求が、人を動かすことがある。

The primal desire to be someone's blood-related kin can sometimes move people.

Relative clause within a noun phrase.

Synonyms

実の血縁の肉親血を分けた生みの直系の本当の近親の

Antonyms

他人の養子の義理の赤の他人の

Common Collocations

血の繋がった家族

血の繋がった兄弟

血の繋がった子供

血の繋がった親戚

血の繋がった者

血の繋がった身内

血の繋がった実の親

血の繋がった関係

血の繋がった証拠

血の繋がった繋がり

Common Phrases

血の繋がった唯一の肉親

— One's only living blood relative. Used to emphasize loneliness or the importance of a single person.

彼は私にとって血の繋がった唯一の肉親だ。

血の繋がった親子

— Biological parent and child. Used to distinguish from step-parents or adoptions.

二人は血の繋がった親子に見えない。

血の繋がった兄弟のような

— Like blood-related brothers. Used to describe a very close friendship.

彼とは血の繋がった兄弟のように仲が良い。

血の繋がった縁

— The tie/fate of being blood-related. Often implies something inescapable.

血の繋がった縁は不思議なものだ。

血の繋がった家族の絆

— The bond of blood-related family members.

血の繋がった家族の絆を信じている。

血の繋がった他人

— A blood-relative who feels like a stranger. A common ironic or tragic phrase.

私たちは今や、血の繋がった他人でしかない。

血の繋がった身寄り

— Blood-related kin to rely on.

血の繋がった身寄りがない老後。

血の繋がった世継ぎ

— A biological heir. Used in historical or formal contexts.

王は血の繋がった世継ぎを求めた。

血の繋がった本物の

— The real, blood-related (person). Used for emphasis.

彼は私の血の繋がった本物の兄です。

血の繋がった関係性

— The state of being blood-related.

血の繋がった関係性がすべてではない。

Often Confused With

血の繋がった vs 血まみれ (chimamire)

Means 'covered in blood.' Don't use this for family!

血の繋がった vs 血の気が多い (chi no ke ga ooi)

Means 'hot-headed' or 'aggressive.' Nothing to do with relatives.

血の繋がった vs 血筋 (chisuji)

Refers to the lineage or bloodline itself, not the specific connection between two people.

Idioms & Expressions

"血は水よりも濃い"

— Blood is thicker than water. Family ties are stronger than any others.

結局、血は水よりも濃いということだ。

Proverb

"血の繋がり"

— Blood connection. The general noun form of the phrase.

血の繋がりを大切にする文化。

Neutral

"同じ血が流れている"

— Sharing the same blood. Emphasizes shared traits or destiny.

私たちには同じ血が流れている。

Dramatic

"血を分ける"

— To share blood (be siblings).

血を分けた兄弟として助け合う。

Literary

"血筋を引く"

— To inherit a bloodline or traits.

彼は名家の血筋を引いている。

Formal

"血が騒ぐ"

— Blood boils/stirs. To get excited or feel an instinctive urge.

お祭りの音を聞くと血が騒ぐ。

Idiomatic

"血の通った"

— Warm-blooded/humane. Often used to describe something with human feeling.

血の通った政治をしてほしい。

Metaphorical

"血を吐くような"

— Like vomiting blood. Doing something with extreme effort or pain.

血を吐くような努力を重ねた。

Metaphorical

"血も涙もない"

— Having neither blood nor tears. Cold-hearted/cruel.

彼は血も涙もない人間だ。

Idiomatic

"血肉となる"

— To become part of one's flesh and blood. To truly master or absorb something.

読んだ本が私の血肉となっている。

Metaphorical

Easily Confused

血の繋がった vs 実の (jitsu no)

Both mean biological.

'Jitsu no' is more clinical and common. 'Chi no tsunagatta' is more descriptive and emotional.

実の親 (biological parent) vs 血の繋がった親 (parent connected by blood).

血の繋がった vs 血縁 (ketsuen)

Both refer to blood relations.

'Ketsuen' is a formal noun. 'Chi no tsunagatta' is a descriptive phrase.

血縁関係 (blood relationship) vs 血の繋がった親戚 (blood-related relative).

血の繋がった vs 肉親 (nikushin)

Both refer to blood family.

'Nikushin' is a noun meaning 'one's own kin.' 'Chi no tsunagatta' is an adjective phrase.

肉親を失う (lose one's kin) vs 血の繋がった家族を失う (lose one's blood-related family).

血の繋がった vs 本当の (hontou no)

Both can mean 'real' parents.

'Hontou no' is vague and can mean 'true' in an emotional sense. 'Chi no tsunagatta' is strictly biological.

本当の家族 (true family) vs 血の繋がった家族 (biological family).

血の繋がった vs 義理の (giri no)

Opposite meanings.

'Giri no' means related by law/marriage. 'Chi no tsunagatta' means related by biology.

義理の兄 (brother-in-law) vs 血の繋がった兄 (biological brother).

Sentence Patterns

これは血の繋がった[Noun]です。

これは血の繋がった家族です。

[Noun]は血の繋がった[Noun]ですか？

彼は血の繋がったお兄さんですか？

たとえ血の繋がった[Noun]でも...

たとえ血の繋がった家族でも喧嘩はします。

血の繋がった[Noun]として...

血の繋がった親として責任を感じる。

血の繋がった[Noun]の存在が...

血の繋がった家族の存在が支えになった。

血の繋がった[Noun]に起因する...

血の繋がった親族に起因する問題。

血の繋がった[Noun]がいない。

私には血の繋がった身内がいない。

血の繋がった[Noun]を探し出す。

血の繋がった母親を探し出した。

Word Family

Nouns

血 (chi) - blood

繋がり (tsunagari) - connection

血縁 (ketsuen) - blood relation

Verbs

繋がる (tsunagaru) - to be connected

繋ぐ (tsunagu) - to connect

Adjectives

繋がっている (tsunagatte iru) - being connected

家族 (kazoku)

兄弟 (kyoudai)

親戚 (shinseki)

肉親 (nikushin)

遺伝 (iden)

How to Use It

frequency

Common in media, dramas, and medical/legal contexts. Moderate in daily casual talk.

Common Mistakes

Using 'chi ga tsunagatta' to modify a noun. → 血の繋がった家族
While 'ga' is grammatically okay, 'no' is the idiomatic choice for noun modification in relative clauses.
Using 'chimamire' for blood relations. → 血の繋がった
'Chimamire' means covered in blood (like after an accident).
Using it for close friends. → 親友 (shinyuu) or 絆 (kizuna)
'Chi no tsunagatta' is strictly biological. It doesn't mean 'best friend' like 'blood brother' can in English.
Confusing it with 'chisuji'. → 血の繋がった
'Chisuji' refers to the lineage/ancestry, whereas 'chi no tsunagatta' refers to the specific connection.
Forgetting the double 't' in 'tsunagatta'. → 繋がった (tsunagatta)
Pronouncing it as 'tsunagata' changes the verb form and sounds incorrect.

Tips

Use for Distinction

Always use this when you need to clearly separate biological family from step-family or in-laws.

The 'No' Particle

Remember that 'no' here acts as the subject marker 'ga' in a relative clause. This is a common pattern in Japanese.

Dramatic Weight

Be aware that this phrase sounds a bit more 'heavy' and serious than just saying 'real' (jitsu no).

Noun Pairings

It almost always pairs with family nouns like 家族, 兄弟, or 親.

Kanji vs Hiragana

In formal writing, use the kanji 繋. In casual texts, つながった is fine.

Contrast Cues

If you hear this, the speaker is likely about to mention a non-biological relationship as a contrast.

Medical Accuracy

Use this phrase when talking to a doctor about your family history to be precise.

Blood-Link

Translate it in your head as 'Blood-Linked' to remember both parts of the phrase.

Rope Connection

Think of the 'tsunagaru' part as a rope made of blood connecting two people.

Sensitivity

Avoid using it to define 'real' family in a way that excludes adopted members emotionally.

Memorize It

Mnemonic

Think of a 'CHEEse' (chi) string 'TSUNA' (tuna) sandwich that is 'GATTA' (gotta) be connected to your family.

Visual Association

Imagine a red thread (blood) tying two people together at the heart.

Word Web

Blood Family DNA Connection Brother Sister Inheritance Lineage

Challenge

Try to describe three people in your life who are 'chi no tsunagatta' and three who are not.

Word Origin

Composed of the ancient Japanese word 'chi' (blood) and the verb 'tsunagaru' (to be linked/connected). The verb 'tsunagaru' comes from 'tsuna' (rope), implying a physical cord or link.

Original meaning: To be physically linked by the substance of blood.

Japonic

Cultural Context

Be careful when using this around people who are adopted or have 'complex' family trees, as it can imply a hierarchy of family 'quality'.

Similar to 'blood-related' or 'flesh and blood,' but used more frequently in everyday descriptions in Japan.

The movie 'Like Father, Like Son' (Soshite Chichi ni Naru) explores this exact concept. The anime 'Naruto' often discusses bloodlines (Kekkei Genkai). The novel 'Kokoro' by Natsume Soseki touches on family bonds.

Practice in Real Life

Real-World Contexts

Medical History

血の繋がった家族の病歴
遺伝的な病気
直系の親族
家族構成

Family Drama

血の繋がった親子
本当の親
隠された兄弟
血の繋がり

Legal/Inheritance

血の繋がった相続人
遺産の分配
戸籍謄本
法定相続分

Adoption Stories

生みの親
血の繋がった母親
育ての親
実の家族

Genealogy

血の繋がった先祖
家系図
ルーツを探す
血筋

Conversation Starters

"血の繋がった家族と、友達、どちらが大切だと思いますか？"

"血の繋がった兄弟はいますか？"

"血の繋がった親戚に、有名人はいますか？"

"血の繋がった家族でも、秘密はありますか？"

"血の繋がった親子は、やはり似ていると思いますか？"

Journal Prompts

血の繋がった家族について、感謝していることを書いてください。

「血は水よりも濃い」という言葉についてどう思いますか？

もし血の繋がった新しい兄弟が見つかったら、どうしますか？

血の繋がった関係と、そうでない関係の違いは何だと思いますか？

自分の血の繋がったルーツについて調べたことがありますか？

Frequently Asked Questions

10 questions

Literally, no. It means biological blood relation. If you want to say you are 'like' blood brothers, say 'chi no tsunagatta kyoudai no you na kankei' (a relationship like blood brothers).

It can be very sensitive. It's better to wait for them to mention it. Asking directly about biological status can be seen as prying into family secrets or adoptions.

They mean the same thing, but 'chi no tsunagatta' is the standard way to modify a noun. 'Chi ga tsunagatta' sounds more like a full sentence ('Blood is connected').

You use 'chi no tsunagaranai' (血の繋がらない). For example: 'chi no tsunagaranai kazoku' (family not related by blood).

Yes, you can say 'chi no tsunagatta tooi shinseki' (a distant blood-related relative).

It is a Jōyō kanji (daily use), but it's quite complex. Most Japanese people can read it easily, but some might write it in hiragana (つながった) in casual notes.

Usually, no. It's reserved for human relationships. For animals, you'd use 'chi-suji' (lineage) or 'ketto' (pedigree).

Not necessarily. You can have a 'chi no tsunagatta' enemy. It only describes the biological fact.

Yes, frequently. It's used to clarify genetic links for hereditary conditions.

Historically, the 'ie' (house) system relied on blood succession to maintain the family line, name, and property. This traditional value still influences the language today.