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Nihongo

Classroom

Jōyō KanjiOrganized by Onyomi reading

かい kai

 

    kanji

    Meaning

    Meet

    Reading

    kunyomi

    a

    onyomiかい

    kai

    Parts

    Person Two Private

    Example Word

    閉会: closing. The Japanese verbal noun '閉会 (へいかい)' refers to the act of closing or concluding an event, meeting, or ceremony. It is commonly used in formal contexts, such as conferences, assemblies, or official gatherings. For example: The chairman announced the closing of the meeting「議長が閉会を宣言した」(ぎちょうがへいかいをせんげんした). The conference will close at 5 PM「会議は午後5時に閉会します」(かいぎはごご5じにへいかいします). Note that '閉会' is often paired with verbs like 'する' to indicate the action of closing, as in '閉会する' (to close).

    Radical

    Stroke Count

    6

    JLPT

    N4

    Grade

    2

    Frequency

    98

    Handwriting

    kanji

    Meaning

    Solve, Untie

    Reading

    kunyomi

    to

    onyomi

    ge

    かい

    kai

    Parts

    Corner, Angle Sword Cow

    Example Word

    解散: disband. The Japanese verbal noun '解散 (かいさん)' means 'disband'. It is commonly used to describe the act of a group, organization, or assembly breaking up or dissolving. For example: The club disbanded「クラブが解散した」(クラブがかいさんした). The parliament was dissolved「議会が解散された」(ぎかいがかいさんされた). This term is often used in formal or official contexts, such as political or organizational settings. It can also imply the end of a gathering or meeting, as in 'The meeting disbanded at 5 PM'「会議は午後5時に解散した」(かいぎはごご5じにかいさんした).

    Radical

    Stroke Count

    13

    JLPT

    N3

    Grade

    5

    Frequency

    213

    Handwriting

    kanji

    Meaning

    Sea

    Reading

    kunyomiうみ

    umi

    onyomiかい

    kai

    Parts

    Water (水)Every

    Example Word

    海軍: navy. The Japanese noun '海軍 (かいぐん)' refers to the 'navy', which is the branch of a country's armed forces that conducts military operations at sea. It is used to describe the organization, ships, and personnel involved in maritime warfare and defense. For example: The navy protects the country「海軍は国を守る」(かいぐんはくにをまもる). He joined the navy「彼は海軍に入った」(かれはかいぐんにはいった). This term is specific to military contexts and should not be confused with other maritime organizations or civilian shipping.

    Radical

    Stroke Count

    9

    JLPT

    N4

    Grade

    2

    Frequency

    219

    Handwriting

    kanji

    Meaning

    Open

    Reading

    kunyomi

    a

    ひら

    hira

    onyomiかい

    kai

    Parts

    Gate Open

    Example Word

    開発: development. The Japanese verbal noun '開発 (かいはつ)' means 'development'. It is commonly used in contexts related to the creation, improvement, or advancement of products, technologies, areas, or ideas. For example: the development of new technology「新しい技術の開発」(あたらしいぎじゅつのかいはつ). This area is under development「この地域は開発中です」(このちいきはかいはつちゅうです). It can also refer to the exploitation of resources, such as in 'land development'「土地の開発」(とちのかいはつ). The word is neutral and widely applicable across industries, including technology, real estate, and education.

    Radical

    Stroke Count

    12

    JLPT

    N4

    Grade

    3

    Frequency

    244

    Handwriting

    kanji

    Meaning

    World

    Reading

    onyomiかい

    kai

    Parts

    Rice field Mediate, Jammed in

    Example Word

    限界: limit. The Japanese noun '限界 (げんかい)' means 'limit'. It refers to the boundary or point beyond which something cannot or should not go. This word is often used in contexts involving physical, mental, or abstract boundaries. For example: I reached my limit「限界に達した」(げんかいにたっした). The limit of human endurance「人間の限界」(にんげんのげんかい). It can also be used to describe the maximum capacity or extent of something, such as 'the limit of technology'「技術の限界」(ぎじゅつのげんかい).

    Radical

    Stroke Count

    9

    JLPT

    N4

    Grade

    3

    Frequency

    309

    Handwriting

    kanji

    Meaning

    Storey

    Reading

    onyomiかい

    kai

    Parts

    All Mound (阜)

    Example Word

    階層: layer or hierarchy. The Japanese noun '階層 (かいそう)' can mean 'hierarchy' or 'layer', depending on the context. When referring to 'hierarchy', it is often used in social, organizational, or class structures. For example: the company has a strict hierarchy「その会社は厳しい階層がある」(そのかいしゃはきびしいかいそうがある). When referring to 'layer', it is used in contexts like geological layers, software layers, or other stratified systems. For example: the earth has many layers「地球は多くの階層がある」(ちきゅうはおおくのかいそうがある). The word is neutral and can be applied to both abstract and concrete structures.

    Radical

    Stroke Count

    12

    JLPT

    N2

    Grade

    3

    Frequency

    375

    Handwriting

    kanji

    Meaning

    All

    Reading

    kunyomiみな

    mina

    みんな

    minna

    onyomiかい

    kai

    Parts

    Compare, Ratio White

    Example Word

    皆: everyone. The Japanese noun '皆 (みな)' means 'everyone' or 'all'. It is used to refer to a group of people collectively, emphasizing inclusivity. This word is often used in both formal and informal contexts. For example: Everyone is here「皆がここにいます」(みながここにいます). Let's all do our best「皆で頑張りましょう」(みなでがんばりましょう). It can also be used in phrases like '皆さん (みなさん)', which is a polite way to address a group of people, similar to 'ladies and gentlemen' or 'everyone' in English.

    Radical

    Stroke Count

    9

    JLPT

    N3

    Grade

    7

    Frequency

    403

    Handwriting

    kanji

    Meaning

    Weird, Suspicious

    Reading

    kunyomiあや

    aya

    onyomi

    ke

    かい

    kai

    Parts

    Holy

    Example Word

    怪しむ: suspect. The Japanese verb '怪しむ (あやしむ)' means 'to suspect' or 'to doubt'. It is used when someone has a feeling of distrust or suspicion towards something or someone. This verb often implies a sense of unease or skepticism. For example: I suspect his intentions「彼の意図を怪しむ」(かれのいとをあやしむ). She doubted the truth of his story「彼女は彼の話の真実を怪しんだ」(かのじょはかれのはなしのしんじつをあやしんだ). The verb can also be used in more abstract contexts, such as suspecting something is wrong or out of place.

    Radical

    Stroke Count

    8

    JLPT

    N1

    Grade

    8

    Frequency

    455

    Handwriting

    kanji

    Meaning

    Reform

    Reading

    kunyomiあらた

    arata

    onyomiかい

    kai

    Parts

    Oneself Strike

    Example Word

    改める: reform or revise. The Japanese verb '改める (あらためる)' primarily means 'to revise' or 'to reform'. It is used when making changes to something in order to improve or correct it. This verb can be applied to a wide range of contexts, such as revising plans, reforming systems, or correcting behavior. For example: I revised my plans「計画を改めた」(けいかくをあらためた). The government reformed the law「政府は法律を改めた」(せいふはほうりつをあらためた). It's important to note that '改める' often implies a deliberate and thoughtful change, rather than a casual or minor adjustment.

    Radical

    Stroke Count

    7

    JLPT

    N2

    Grade

    4

    Frequency

    588

    Handwriting

    kanji

    Meaning

    Mediate, Jammed in

    Reading

    onyomiかい

    kai

    Parts

    Person 丿Katakana no Stick

    Example Word

    厄介: trouble. The Japanese noun '厄介 (やっかい)' primarily means 'trouble' or 'bother'. It refers to something that is troublesome, inconvenient, or difficult to deal with. This word can be used to describe situations, tasks, or even people who are causing difficulty. For example: He is a troublesome person「彼は厄介な人だ」(かれはやっかいなひとだ). This problem is a real hassle「この問題は本当に厄介だ」(このもんだいはほんとうにやっかいだ). The word can also imply a sense of burden or responsibility, as in taking care of someone who is dependent on you.

    Radical

    Stroke Count

    4

    JLPT

    N2

    Grade

    7

    Frequency

    591

    Handwriting

    kanji

    Meaning

    Pleasant

    Reading

    kunyomiこころよ

    kokoroyo

    onyomiかい

    kai

    Parts

    Decide

    Example Word

    快適: comfortable. The Japanese noun '快適 (かいてき)' means 'comfortable'. It is used to describe a state or condition that is pleasant, agreeable, and free from discomfort. This word can be applied to various contexts, such as describing a comfortable environment, a comfortable feeling, or a comfortable situation. For example: This chair is comfortable「この椅子は快適です」(このいすはかいてきです). I feel comfortable in this room「この部屋で快適に感じます」(このへやでかいてきにかんじます). The word '快適' often conveys a sense of ease and satisfaction, making it a common term in discussions about living conditions, travel, and personal well-being.

    Radical

    Stroke Count

    7

    JLPT

    N2

    Grade

    5

    Frequency

    607

    Handwriting

    kanji

    Meaning

    Revolve, Times

    Reading

    kunyomiまわ

    mawa

    onyomiかい

    kai

    Parts

    Mouth

    Example Word

    回数券: ticket book. The Japanese noun '回数券 (かいすうけん)' refers to a 'ticket book' or a 'multi-ride ticket'. This is a type of ticket that allows multiple uses, often at a discounted rate compared to buying individual tickets. It is commonly used for public transportation, such as trains or buses, but can also be used for other services like parking or events. For example: I bought a ticket book for the train「電車の回数券を買いました」(でんしゃのかいすうけんをかいました). This ticket book has 10 rides「この回数券は10回分です」(このかいすうけんはじゅっかいぶんです). The term is a combination of '回数 (かいすう)', meaning 'number of times', and '券 (けん)', meaning 'ticket'.

    Radical

    Stroke Count

    6

    JLPT

    N3

    Grade

    2

    Frequency

    613

    Handwriting

    kanji

    Meaning

    Picture

    Reading

    onyomiかい

    kai

    e

    Parts

    Thread Meet

    Example Word

    油絵: oil painting. The Japanese noun '油絵 (あぶらえ)' refers to 'oil painting', a type of painting created using pigments mixed with oil, typically linseed oil. This term is used to describe both the art form and individual works created in this medium. For example: She is good at oil painting「彼女は油絵が上手です」(かのじょはあぶらえがじょうずです). This museum has many oil paintings「この美術館には油絵がたくさんあります」(このびじゅつかんにはあぶらえがたくさんあります). The term is commonly used in art-related contexts and discussions about visual arts.

    Radical

    Stroke Count

    12

    JLPT

    N3

    Grade

    2

    Frequency

    615

    Handwriting

    kanji

    Meaning

    Street, Boulevard

    Reading

    kunyomiまち

    machi

    onyomiがい

    gai

    かい

    kai

    Parts

    Go

    Example Word

    街道: highway. The Japanese noun '街道 (かいどう)' refers to a highway or main road, often historically significant. It is used to describe major routes that connect cities or regions, and it can carry a sense of tradition or historical importance. For example: This highway connects Kyoto and Tokyo「この街道は京都と東京を結ぶ」(このかいどうはきょうとととうきょうをむすぶ). The old highway is still in use「古い街道はまだ使われている」(ふるいかいどうはまだつかわれている). The term can also evoke a sense of nostalgia or cultural heritage, as many 街道 were used during the Edo period for travel and trade.

    Radical

    Stroke Count

    12

    JLPT

    N1

    Grade

    4

    Frequency

    735

    Handwriting

    kanji

    Meaning

    Bosom, Pocket

    Reading

    kunyomiなつ

    natsu

    ふところ

    futokoro

    onyomiかい

    kai

    Parts

    Ten Net Clothes

    Example Word

    懐かしい: nostalgic. The Japanese adjective '懐かしい (なつかしい)' means 'nostalgic' or 'evoking fond memories'. It is used to describe something that brings back memories of the past, often with a sense of longing or warmth. This word is commonly used when encountering something familiar from one's past, such as a place, a song, or an object. For example: This song is nostalgic「この歌は懐かしい」(このうたはなつかしい). I feel nostalgic when I see this photo「この写真を見ると懐かしい気持ちになる」(このしゃしんをみるとなつかしいきもちになる). The word can also be used to express a sense of missing someone or something from the past, as in 'I miss my hometown'「故郷が懐かしい」(こきょうがなつかしい).

    Radical

    Stroke Count

    16

    JLPT

    N1

    Grade

    9

    Frequency

    905

    Handwriting

    kanji

    Meaning

    Remains

    Reading

    kunyomiむくろ

    mukuro

    onyomiがい

    gai

    かい

    kai

    Parts

    Bone

    Radical

    Stroke Count

    16

    Grade

    10

    Frequency

    1172

    Handwriting

    kanji

    Meaning

    Contraption

    Reading

    onyomiかい

    kai

    Parts

    Tree, Wood Admonish, Commandment

    Example Word

    機械: machine or mechanism. The Japanese noun '機械 (きかい)' primarily means 'machine' and refers to a device or apparatus that performs a specific task, often involving mechanical or automated processes. It can also mean 'mechanism', referring to the internal workings or structure of a machine. This word is commonly used in contexts related to technology, engineering, and industry. For example: This machine is very advanced「この機械はとても進んでいる」(このきかいはとてもすすんでいる). The mechanism of this clock is complicated「この時計の機械は複雑だ」(このとけいのきかいはふくざつだ). Note that '機械' is often used in technical or formal contexts, distinguishing it from simpler devices or tools.

    Radical

    Stroke Count

    11

    JLPT

    N2

    Grade

    4

    Frequency

    1219

    Handwriting

    kanji

    Meaning

    Ashes

    Reading

    kunyomiはい

    hai

    onyomiかい

    kai

    Parts

    Cliff Fire

    Example Word

    灰: ash. The Japanese noun '灰 (はい)' means 'ash'. This word refers to the powdery residue left after something has been burned, such as wood, paper, or other materials. It is commonly used in contexts related to fire, cremation, or cleaning up after burning something. For example: The ash fell from the cigarette「灰がタバコから落ちた」(はいがタバコからおちた). She cleaned the ash from the fireplace「彼女は暖炉の灰を掃除した」(かのじょはだんろのはいをそうじした). The word can also be used metaphorically to describe something that has been reduced to nothing, as in 'all turned to ash'「すべて灰になった」(すべてはいになった).

    Radical

    Stroke Count

    6

    JLPT

    N2

    Grade

    6

    Frequency

    1227

    Handwriting

    kanji

    Meaning

    Repent, Regret

    Reading

    kunyomi

    ku

    くや

    kuya

    onyomiかい

    kai

    Parts

    Every

    Example Word

    後悔: regret. The Japanese verbal noun '後悔 (こうかい)' means 'regret'. It refers to the feeling of sadness, repentance, or disappointment over something that has happened or something one has done. It is often used to express remorse or a wish that things had been done differently. For example: I regret not studying harder「もっと勉強しなかったことを後悔している」(もっとべんきょうしなかったことをこうかいしている). He regrets his decision「彼は自分の決断を後悔している」(かれはじぶんのけつだんをこうかいしている). This word is commonly used in both formal and informal contexts to express personal feelings of regret.

    Radical

    Stroke Count

    9

    JLPT

    N1

    Grade

    8

    Frequency

    1290

    Handwriting

    kanji

    Meaning

    Demolition, Break down

    Reading

    kunyomiこわ

    kowa

    onyomiかい

    kai

    Parts

    Soil Ten Net Clothes

    Example Word

    壊れる: break. The Japanese verb '壊れる (こわれる)' means 'to break' or 'to be broken'. It is an intransitive verb, meaning it describes something that breaks on its own or becomes non-functional without an external agent being specified. This verb is commonly used for objects, machines, or systems that stop working or become damaged. For example: The watch broke「時計が壊れた」(とけいがこわれた). The computer broke down「パソコンが壊れた」(パソコンがこわれた). Note that '壊れる' implies the state of being broken, whereas '壊す (こわす)' is the transitive form, meaning 'to break something'.

    Radical

    Stroke Count

    16

    JLPT

    N1

    Grade

    7

    Frequency

    1323

    Handwriting

    kanji

    Meaning

    Lid

    Reading

    kunyomiふた

    futa

    かこう

    kakou

    けだ

    keda

    onyomiこう

    kou

    がい

    gai

    かい

    kai

    Parts

    Grass

    Example Word

    蓋: lid. The Japanese noun '蓋 (ふた)' means 'lid'. It refers to a cover or top that is placed over a container to close or seal it. This word is commonly used in everyday contexts, such as when referring to the lid of a pot, jar, or bottle. For example: Please put the lid on the pot「鍋に蓋をしてください」(なべにふたをしてください). The lid of this jar is hard to open「この瓶の蓋は開けにくい」(このびんのふたはあけにくい). The word can also be used metaphorically to describe something that conceals or hides, as in '蓋をする (ふたをする)' which means 'to cover up' or 'to hide something'.

    Radical

    Stroke Count

    13

    Grade

    10

    Frequency

    1333

    Handwriting

    kanji

    Meaning

    Admonish, Commandment

    Reading

    kunyomiいまし

    imashi

    onyomiかい

    kai

    Parts

    Twenty

    Example Word

    警戒: caution. The Japanese verbal noun '警戒 (けいかい)' means 'caution' or 'vigilance'. It refers to the act of being watchful or alert to potential danger or trouble. This word is often used in contexts where one needs to be careful or on guard, such as in security, safety, or even interpersonal relationships. For example: The police are on high alert「警察は警戒を強めている」(けいさつはけいかいをつよめている). We must be cautious of natural disasters「自然災害に警戒しなければならない」(しぜんさいがいにけいかいしなければならない). The word can also be used in phrases like '警戒心 (けいかいしん)', which means 'sense of caution' or 'wariness'.

    Radical

    Stroke Count

    7

    JLPT

    N1

    Grade

    7

    Frequency

    1421

    Handwriting

    kanji

    Meaning

    Defile

    Reading

    kunyomiつい

    tsui

    つぶ

    tsubu

    onyomiかい

    kai

    e

    Parts

    Water (水)Precious

    Example Word

    潰す: ruin or crush. The Japanese verb '潰す (つぶす)' has two primary meanings. The first is 'to crush,' which refers to physically destroying something by applying pressure, such as crushing a can or squashing an insect. For example: I crushed the can「缶を潰した」(かんをつぶした). The second meaning is 'to ruin,' which refers to causing something to fail or be destroyed, often in a metaphorical sense, such as ruining plans or wasting time. For example: He ruined the plan「彼は計画を潰した」(かれはけいかくをつぶした). The verb can also imply wasting resources or opportunities, as in 'to squander.' The nuance depends on the context, so it's important to pay attention to the object being acted upon.

    Radical

    Stroke Count

    15

    Grade

    10

    Frequency

    1600

    Handwriting

    kanji

    Meaning

    Lump

    Reading

    kunyomiかたまり

    katamari

    onyomiかい

    kai

    Parts

    Soil Demon, Ogre

    Radical

    Stroke Count

    13

    JLPT

    N1

    Grade

    8

    Frequency

    1690

    Handwriting

    kanji

    Meaning

    Harmony

    Reading

    kunyomiかな

    kana

    やわ

    yawa

    onyomiかい

    kai

    Parts

    Say (言)All

    Radical

    Stroke Count

    16

    Grade

    10

    Frequency

    1903

    Handwriting

    kanji

    Meaning

    Kidnap

    Reading

    onyomiかい

    kai

    Parts

    Hand (手)Sword Mouth

    Radical

    Stroke Count

    8

    JLPT

    N1

    Grade

    9

    Frequency

    2044

    Handwriting

    kanji

    Meaning

    Square character style, Correctness

    Reading

    onyomiかい

    kai

    Parts

    Tree, Wood All

    Radical

    Stroke Count

    13

    Grade

    10

    Frequency

    2130

    Handwriting

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Onyomi reading Groups

Group 18 of 305