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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

    Two Person Private

    Example Word

    社会: society. The Japanese noun '社会 (しゃかい)' refers to 'society' as a whole, encompassing the collective organization of people, communities, and institutions. It is often used in contexts discussing social structures, norms, or issues. For example: Society is changing rapidly「社会は急速に変化している」(しゃかいはきゅうそくにへんかしている). He works for the benefit of society「彼は社会の利益のために働いている」(かれはしゃかいのりえきのためにはたらいている). The term can also refer to specific social groups or communities, such as 'business society' (ビジネス社会) or 'school society' (学校社会).

    Radical

    Stroke Count

    6

    JLPT

    N4

    Grade

    2

    Frequency

    98

    Handwriting

    kanji

    Meaning

    Solve, Untie

    Reading

    kunyomi

    to

    onyomi

    ge

    かい

    kai

    Parts

    Sword Corner, Angle Cow

    Example Word

    解決: resolution. The Japanese verbal noun '解決 (かいけつ)' means 'resolution' or 'solution'. It refers to the act of resolving or settling a problem, dispute, or issue. This word is commonly used in contexts involving conflict resolution, problem-solving, or finding answers to questions. For example: The problem was resolved「問題が解決した」(もんだいがかいけつした). We need to find a solution「解決策を見つける必要がある」(かいけつさくをみつけるひつようがある). It is often paired with verbs like 'する' (to do) or '見つける' (to find) to indicate the process of resolving something.

    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: sea. The Japanese noun '海 (うみ)' means 'sea'. It refers to the large body of salt water that covers most of the Earth's surface. This word is commonly used in everyday conversation and literature to describe the ocean or a specific sea. For example: I went to the sea「海に行きました」(うみにいきました). The sea is beautiful today「今日の海はきれいです」(きょうのうみはきれいです). It can also be used in compound words, such as '海辺 (うみべ)' meaning 'seaside' or 'beach'.

    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

    開く: open. The Japanese verb '開く (ひらく)' primarily means 'to open'. It is used to describe the action of opening something, such as a door, a book, or an event. This verb can also be used metaphorically to describe opening opportunities or starting something new. For example: Please open the door「ドアを開いてください」(ドアをひらいてください). The store opens at 9 AM「その店は午前9時に開く」(そのみせはごぜんくじにひらく). Additionally, '開く' can be used in the context of events, such as 'The festival opens tomorrow'「その祭りは明日開く」(そのまつりはあしたひらく). Note that '開く' can also be read as 'あく', which has a slightly different nuance, often implying something opens by itself or is already open.

    Radical

    Stroke Count

    12

    JLPT

    N4

    Grade

    3

    Frequency

    244

    Handwriting

    kanji

    Meaning

    World

    Reading

    onyomiかい

    kai

    Parts

    Mediate, Jammed in Rice field

    Example Word

    世界: world. The Japanese noun '世界 (せかい)' means 'world'. It refers to the entire planet, the global community, or a specific realm or domain. This word is commonly used in contexts discussing global issues, geography, or abstract concepts like 'world of dreams'. For example: The world is vast「世界は広い」(せかいはひろい). I want to travel the world「世界を旅したい」(せかいをたびしたい). It can also be used metaphorically, as in 'the world of art'「芸術の世界」(げいじゅつのせかい).

    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

    二階: second floor. The Japanese noun '二階 (にかい)' refers to the 'second floor' of a building. It is commonly used to describe the level above the ground floor in structures such as houses, offices, or stores. For example: The library is on the second floor「図書館は二階です」(としょかんはにかいです). I live on the second floor「私は二階に住んでいます」(わたしはにかいにすんでいます). This term is essential for giving or understanding directions within multi-story buildings.

    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

    怪我: injury. The Japanese verbal noun '怪我 (けが)' means 'injury'. It refers to physical harm or damage to the body, such as cuts, bruises, or sprains. This word is commonly used in everyday conversation and medical contexts. For example: I got a minor injury「軽い怪我をした」(かるいけがをした). Be careful not to get injured「怪我をしないように気をつけて」(けがをしないようにきをつけて). The word can also be used metaphorically to describe emotional or psychological harm, though this usage is less common. It is important to note that '怪我' specifically refers to injuries caused by accidents or external factors, not illnesses or diseases.

    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

    Strike Oneself

    Example Word

    改革: reform. The Japanese verbal noun '改革 (かいかく)' means 'reform'. It refers to making changes to something in order to improve it, often used in the context of systems, organizations, or policies. For example: The government is planning a reform「政府は改革を計画している」(せいふはかいかくをけいかくしている). The company needs a reform「その会社は改革が必要だ」(そのかいしゃはかいかくがひつようだ). This term is commonly used in political, economic, and social contexts to describe significant and often systematic changes aimed at improvement.

    Radical

    Stroke Count

    7

    JLPT

    N2

    Grade

    4

    Frequency

    588

    Handwriting

    kanji

    Meaning

    Mediate, Jammed in

    Reading

    onyomiかい

    kai

    Parts

    丿Katakana no Stick Person

    Example Word

    介護: care. The Japanese noun '介護 (かいご)' refers to 'care', specifically the act of providing physical or emotional support to someone who is elderly, ill, or disabled. It is often used in contexts related to nursing, caregiving, or support services. For example: She works in elderly care「彼女は高齢者介護の仕事をしています」(かのじょはこうれいしゃかいごのしごとをしています). My father needs care at home「父は在宅介護が必要です」(ちちはざいたくかいごがひつようです). The term is commonly associated with professional or familial caregiving roles and is a significant topic in Japan due to its aging population.

    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

    快い: pleasant. The Japanese adjective '快い (こころよい)' means 'pleasant'. It is used to describe something that is agreeable, enjoyable, or soothing to the mind or senses. This word often conveys a sense of comfort or satisfaction. For example: The breeze feels pleasant「風が快い」(かぜがこころよい). His words were pleasant to hear「彼の言葉は快かった」(かれのことばはこころよかった). It can also be used in more abstract contexts, such as describing a pleasant feeling or atmosphere. Note that this word is more formal and less commonly used in everyday conversation compared to simpler adjectives like '楽しい (たのしい)' (fun) or '気持ちいい (きもちいい)' (feels good).

    Radical

    Stroke Count

    7

    JLPT

    N2

    Grade

    5

    Frequency

    607

    Handwriting

    kanji

    Meaning

    Revolve, Times (counter for occurrences)

    Reading

    kunyomiまわ

    mawa

    onyomiかい

    kai

    Parts

    Mouth

    Example Word

    回: times (counter for occurrences). The Japanese suffix '回 (かい)' is used to indicate the number of times an action occurs. It is commonly attached to numbers to express frequency or repetition. For example: three times「三回」(さんかい). I have been to Japan twice「日本に二回行ったことがある」(にほんにかいあったことがある). This suffix is versatile and can be used in various contexts to denote occurrences, such as in sports, events, or daily activities. It is important to note that '回' is often used in combination with verbs to specify how many times an action has been performed.

    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

    絵: picture. The Japanese noun '絵 (え)' means 'picture' or 'painting'. It refers to a visual representation, typically created through drawing, painting, or other artistic methods. This word is commonly used in contexts involving art, illustrations, or any form of visual depiction. For example: This is a beautiful picture「これは美しい絵です」(これはうつくしいえです). I like to draw pictures「絵を描くのが好きです」(えをかくのがすきです). The word can also be used metaphorically to describe a vivid mental image or scenario, as in '絵に描いたような美しさ (えにかいたようなうつくしさ)' meaning 'beauty as if painted in a picture'.

    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: town. The Japanese noun '街 (まち)' refers to a town or a city, often implying a lively or bustling area with shops, streets, and people. It is commonly used to describe urban areas or specific districts within a city. For example: Let's go to the town「街に行こう」(まちにいこう). This town is very lively「この街はとてもにぎやかだ」(このまちはとてもにぎやかだ). The word can also carry a sense of community or a specific atmosphere, such as a shopping street or a cultural district. It is distinct from '村 (むら)' (village) or '都市 (とし)' (metropolis), as it often conveys a smaller, more intimate urban space.

    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

    Clothes Net Ten

    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

    灰皿: ashtray. The Japanese noun '灰皿 (はいざら)' refers to an 'ashtray', a container used for collecting ash and cigarette butts. It is commonly found in smoking areas, restaurants, or homes where smoking is permitted. Example sentences: Please use the ashtray「灰皿を使ってください」(はいざらをつかってください). The ashtray is full「灰皿がいっぱいです」(はいざらがいっぱいです). This word is straightforward and does not carry additional meanings or nuances beyond its literal definition.

    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

    悔しい: frustrating. The Japanese adjective '悔しい (くやしい)' conveys a feeling of frustration, regret, or vexation, often arising from a sense of missed opportunity, failure, or unfairness. It is commonly used to express emotional distress when something does not go as planned or when one feels they could have done better. For example: It's frustrating to lose the game「試合に負けて悔しい」(しあいにまけてくやしい). I feel frustrated because I couldn't say what I wanted「言いたいことが言えなくて悔しい」(いいたいことがいえなくてくやしい). This word is deeply tied to personal emotions and is often used in contexts where one reflects on their own actions or circumstances.

    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

    Clothes Net Soil Ten

    Example Word

    崩壊: collapse. The Japanese noun '崩壊 (ほうかい)' means 'collapse'. This term is used to describe the sudden and complete failure or breakdown of a system, structure, or organization. It can refer to physical collapses, such as buildings or mountains, as well as metaphorical collapses, such as societal systems or relationships. For example: the collapse of the old regime「旧体制の崩壊」(きゅうたいせいのほうかい). The mountain collapsed due to the earthquake「地震で山が崩壊した」(じしんでやまがほうかいした). The term can also be used in a more abstract sense, such as the collapse of a theory or idea.

    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)Mouth Sword

    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