To begin a meeting or event. Example: 「開会式」 (opening ceremony), 「開会を宣言する」 (to declare the opening). The antonym is 「閉会」 (closing).
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N3解決かいけつ
To properly settle a problem or dispute. Example: 「事件を解決する」 (to resolve an incident), 「問題が解決した」 (the problem has been resolved).
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N1回顧かいこ
「回」 means to turn back or to reflect, and 「顧」 means to look back; the word combines two synonymous characters. It refers to looking back and recalling past events or one's own experiences. Used in expressions like 「半生を回顧する」 or 「回顧録」, it is used in formal contexts of looking back on the past.
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N3開始かいし
start. To begin something. Example: 「試合開始」 (the start of the match), 「販売を開始する」 (to start sales). A more formal word than 「始める」. The word with the opposite meaning is 「終了」 (end).
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N1, N2回収かいしゅう
To collect and take back items that have already been distributed or used.
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N3外出がいしゅつ
To go out from one's home or workplace. Example: 「外出中」 (out at the moment), 「外出をひかえる」 (to refrain from going out).
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N3改善かいぜん
improvement. To fix something bad and make it better. Example: 「生活を改善する」 (to improve one's lifestyle), 「関係が改善する」 (relations improve). The antonym is 「改悪」 (a change for the worse).
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N1, N2階層かいそう
(1) A stratum formed when society is divided by status or income. 「富裕階層」. (2) A structure made up of layers stacked one on another. 「階層構造」.
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N1快諾かいだく
「快」 means pleasant, and 「諾」 means to consent; together they mean to consent gladly. It refers to gladly accepting a request or offer from another. Used in expressions like 「出演を快諾する」, it is a formal word for accepting another's request with pleasure.
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N1かいつまむかいつまむ
It refers to extracting only the key points and speaking briefly. Used in expressions like 「要点をかいつまんで話す」 or 「かいつまんで説明する」, in situations of summing up a long story to convey it briefly.
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N3快適かいてき
comfortable. A pleasant, comfortable state. Example: 「快適な部屋」 (a comfortable room), 「快適に過ごす」 (to spend time comfortably).
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N1, N2街道かいどう
A main road connecting towns. Also used figuratively, as in 「出世街道」.
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N3開発かいはつ
To create something new. To make land or ability useful. Used as in 「商品開発」 (product development), 「能力開発」 (skill development).
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N3回復かいふく
recovery. For something that had worsened to return to its former good state. Example: 「体力が回復する」 (to regain physical strength), 「景気の回復」 (economic recovery).
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N1解離かいり
「解」 means to break apart and become loose, and 「離」 means to separate; the word combines two synonymous characters. It refers to something that had been gathered into one breaking apart. Used in expressions like 「組織から解離する」 or 「物質が解離して別の状態になる」, it is a formal word for situations of bonds becoming undone and separating. It is also seen in chemistry and psychology contexts.
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N1乖離かいり
A divergence or gap between two things that should naturally align. Used in expressions like 「理想と現実の乖離」 (a gap between ideal and reality) or 「世論との乖離」 (a divergence from public opinion), it refers to the distance that arises between two matters. A formal word frequently seen in editorials and critical essays.
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N1顧みるかえりみる
To look back on and reflect upon past events or one's own words and actions. Used as in「過去を顧みる」「家庭を顧みる暇もない」.
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N1省みるかえりみる
「省」 means to look back upon oneself, to reflect. It refers to looking back on one's own words and actions and reflecting. Used in expressions like 「我が身を省みる」, in the sense of inner reflection. While the same-reading 「顧みる」 is used for looking back in a broader sense, 「省みる」 carries a stronger nuance of self-reflection.
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N3替えるかえる
To stop using something up to now and switch to a different one. Example: 「シーツを替える」 (to change the sheets), 「電池を替える」 (to change the batteries). The homophone 「変える」 means to change a state or content, and 「代える」 means to have something take over a role instead; all are written differently.
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N3香りかおり
fragrance. A pleasant smell. Example: 「花の香り」 (the fragrance of flowers), 「コーヒーの香り」 (the aroma of coffee). Not used for bad smells. The verb form is 「香る」.
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N3画家がか
painter. A person whose job is painting pictures.
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N3抱えるかかえる
To hold something in one's arms as if wrapping around it. Example: 「荷物を抱える」 (to carry luggage in one's arms). Also used to mean having a trouble, as in 「問題を抱える」 (to have a problem to deal with), 「借金を抱える」 (to be carrying debt).
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N3価格かかく
price. The price of a good. Example: 「価格が上がる」 (the price rises), 「販売価格」 (selling price). More formal than 「値段」, used in business and news.
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N3化学かがく
chemistry. The study of the properties and changes of substances. Example: 「化学反応」 (chemical reaction), 「化学製品」 (chemical products). To distinguish it from the homophone 「科学」 (science), it is sometimes pronounced 「ばけがく」 in speech.
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N3輝くかがやく
shine. To glitter and sparkle. Example: 「星が輝く」 (stars shine). Also used to mean looking full of life, as in 「目が輝く」 (one's eyes sparkle), 「輝かしい成績」 (a brilliant record).
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N3係かかり
The person in charge of a certain task. Example: 「案内係」 (an information attendant), 「係の人に聞く」 (to ask the person in charge). Also forms compound words like 「係員」 (staff member) and 「係長」 (section chief).
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N3限るかぎる
To decide a range up to a certain point. Example: 「参加は学生に限る」 (participation is limited to students). Often used in the forms 「〜に限って」 (an expression meaning something bad happens only at that particular time) and 「〜とは限らない」 (meaning that isn't always the case).
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N1画一的かくいつてき
It describes a manner in which everything fits the same standard or the same mold, with no individuality or difference. Used in expressions like 「画一的な教育」 or 「画一的に扱う」, it is often used to negatively express a state in which diversity has been lost.
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N1画策かくさく
「画」 means to plan a scheme, and 「策」 means a scheme; together they mean to plan out schemes. It refers to secretly devising a plan and acting on it for some purpose. It is mostly used with a negative connotation, carrying the sense of acting in the shadows, as in 「裏で画策する」.
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N1確執かくしつ
「確」 means firm, and 「執」 means to grasp and not let go; together they mean firmly holding to one's claims without yielding to each other. It refers to not yielding one's opinions and continuing to be in opposition. It expresses situations in which a relationship has become tense within an organization or among relatives. Used in expressions like 「両者の確執が表面化する」.
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N3隠すかくす
hide. To keep something from being seen or known by others. Example: 「お金を隠す」 (to hide money), 「本心を隠す」 (to hide one's true feelings). 「隠す」 is used when someone makes a person or thing unseen, and 「隠れる」 when one becomes unseen oneself: 「子どもを隠す」 versus 「子どもが隠れる」.
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N3拡大かくだい
expansion. To spread something out and make it bigger. To become bigger. Example: 「写真を拡大する」 (to enlarge a photo), 「感染が拡大する」 (infection spreads). The word with the opposite meaning is 「縮小」 (reduction).
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N3隠れるかくれる
To hide oneself so that others cannot find you. Example: 「木の陰に隠れる」 (to hide in the shade of a tree). Also used to mean not known to the world, as in 「隠れた名店」 (a hidden gem restaurant). 「隠れる」 is used when one becomes unseen oneself, and 「隠す」 when someone makes a person or thing unseen: 「子どもが隠れる」 versus 「子どもを隠す」.
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N3影かげ
shadow. A dark shape that forms behind an object when light hits it. Example: 「影ができる」 (a shadow forms), 「影ふみ」 (a shadow-tag game). There is also the expression 「影が薄い」 (to not stand out). The homophone 「陰」 refers to a place light does not reach, and is written differently.
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N3陰かげ
A place where light or one's gaze does not reach. Example: 「木の陰で休む」 (to rest in the shade of a tree), 「ドアの陰にかくれる」 (to hide behind a door). Also used to mean somewhere out of a person's sight, as in 「陰で悪口を言う」 (to badmouth someone behind their back). The homophone 「影」 refers to a dark shape cast by light, and is written differently.
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N1かけがえのないかけがえのない
「かけがえ」 is 「掛け替え」, originally meaning something to substitute. 「かけがえのない」 means that it 「ない」 (does not exist), that is, the quality of being so precious that nothing else can replace it. Used in expressions like 「かけがえのない家族」 or 「かけがえのない時間」, expressing a unique and precious existence.
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N3欠けるかける
For part of something to break off and be missing. Example: 「茶わんが欠ける」 (a chip breaks off a rice bowl). Also used to mean lacking something necessary, as in 「常識に欠ける」 (to lack common sense), 「メンバーが一人欠ける」 (one member is missing).
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N3過去かこ
past. Time that has already passed. Example: 「過去をふり返る」 (to look back on the past), 「過去の失敗」 (past failures). The antonyms are 「未来」 (future) and 「現在」 (present).
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N3籠かご
A container made by weaving bamboo, wire, etc. Example: 「買い物籠」 (a shopping basket), 「鳥籠」 (a birdcage).
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N1かこつけるかこつける
It refers to hiding the true reason and using something else as a pretext. Used in expressions like 「病気にかこつけて休む」 or 「忙しさにかこつける」, in situations of using something as an excuse to hide one's true intent.
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N3囲むかこむ
surround. To encircle something. Example: 「テーブルを囲む」 (to sit around a table), 「山に囲まれた町」 (a town surrounded by mountains). The noun form is 「囲い」.
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N3火災かさい
fire. A disaster in which a building, etc., burns. Example: 「火災報知器」 (fire alarm), 「火災が発生する」 (a fire breaks out). A more formal way of saying 「火事」, used in news and documents.
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N1寡作かさく
「寡」 means few, and 「作」 means works; together they mean having few works. It refers to a writer or artist who produces only a small number of works in their lifetime. Used in expressions like 「寡作の作家」. The opposite is 「多作」. It is a word seen in contexts speaking of the volume of creative output.
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N3重なるかさなる
For objects to be piled one on top of another in the same place. Example: 「本が重なる」 (books are stacked). Also used to mean things concentrating at the same time, as in 「予定が重なる」 (schedules overlap), 「不幸が重なる」 (misfortunes pile up).
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N3重ねるかさねる
To place things on top of each other and stack them. Example: 「皿を重ねる」 (to stack plates). Also used to mean repeating something continuously, as in 「努力を重ねる」 (to make repeated efforts), 「年を重ねる」 (to grow older). 「重ねる」 is used when someone piles things up, and 「重なる」 when things end up piled up: 「皿を重ねる」 versus 「皿が重なる」.
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N1かさばるかさばる
It refers to an object having a large volume and taking up space. Used in expressions like 「冬物がかさばる」 or 「荷物がかさばる」, in situations where it is the size of the volume, not the weight, that is the issue.
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N1かさむかさむ
It refers to an amount or quantity increasing and becoming large. Used in expressions like 「経費がかさむ」 or 「出費がかさむ」, mainly in situations where money or quantity of goods increases more than expected.
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N3飾りかざり
decoration. Something attached to make a thing look beautiful. Example: 「クリスマスの飾り」 (Christmas decorations), 「首飾り」 (a necklace).
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N3飾るかざる
decorate. To place or attach things so they look beautiful. Example: 「花を飾る」 (to decorate with flowers), 「部屋を飾る」 (to decorate a room). Also used to mean making something appear better than it really is, as in 「言葉を飾る」 (to embellish one's words).
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N3火山かざん
volcano. A mountain formed by magma erupting from underground. Example: 「火山が噴火する」 (a volcano erupts), 「活火山」 (an active volcano).
This word has different meanings and uses at each level
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