Originally, an unstable half-crouched posture in which one cannot fully straighten the hips. By extension, it describes a hesitant attitude lacking confidence and passive, as if shrinking back. Used in expressions like 「及び腰で交渉に臨む」 and 「政府の及び腰な姿勢」.
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N2及ぼすおよぼす
To exert influence, damage, etc. on something else. Often combined with set nouns, as in 影響を及ぼす (have an effect on), 損害を及ぼす (cause damage to). 「及ぼす」 is used for the side that exerts the effect, and 「及ぶ」 for the side the effect reaches: 「影響を及ぼす」 versus 「影響が及ぶ」.
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N2折り返しおりかえし
Turning back partway, or the point at which one turns back. By extension, it also means to reply or contact someone back promptly upon receiving their message. Frequently used as a business expression, as in 「折り返し電話する」 and 「折り返しご連絡ください」.
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N2折り紙おりがみ
A game or craft of folding paper into shapes such as animals or flowers. Also refers to a guarantee by an authoritative person that something has assured value or skill, used idiomatically in the form 「折り紙つき」. The latter meaning derives from the fact that authentication certificates were folded papers.
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N2, N5降りるおりる
To move from a high place to a low place. To get out of a train or car. Example: 「バスを降りる」 (to get off a bus). The antonym is 「のる」 (to get on).
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N2織るおる
To combine threads vertically and horizontally to make cloth. Incorporating another element into a story is also expressed as 「織り込む」「織り交ぜる」.
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N2愚かおろか
Lacking careful thought, so that one's judgment or behavior is not wise. Used to describe a person or their words and actions.
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N5終わるおわる
end. For something that was continuing to reach its stopping point. Example: 「じゅぎょうが終わる」 (class ends). The antonym is 「始まる」 (to begin).
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N5音楽おんがく
music. Something enjoyed through the sound of singing or instruments.
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N2恩恵おんけい
A blessing or benefit received from others, nature, and so on. Used in expressions like 「恩恵を受ける」 and 「科学の恩恵」.
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N2温床おんしょう
A hotbed with raised soil temperature used to grow plant seedlings. By extension, it refers to a cause or environment in which something undesirable arises and grows. It is often used figuratively, as in 「犯罪の温床」 and 「不正の温床」.
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N5女おんな
woman. One of the sexes of a person. The antonym is 「男」 (man).
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N5女の子おんなのこ
girl. A female child.
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N2音波おんぱ
Vibrations transmitted through air or other media that can be heard as sound. Used in technical contexts of physics and engineering, such as 「超音波」 or 「音波探知機」. A specialized term encountered in science classes or descriptions of medical equipment.
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N2改革かいかく
To fundamentally change a system or structure to make it better. A written word used in political and social contexts.
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N2快活かいかつ
「快」 means pleasant, and 「活」 means lively; together they mean pleasantly lively. It describes a character or attitude that is bright and energetic. Used in expressions like 「快活に笑う」 or 「快活な少年」, it is a positive word expressing lively brightness.
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N2階級かいきゅう
A rank on an ordered scale, fixed within an organization or a sport according to ability or achievement. As in 「軍隊の階級」「柔道の階級」, it refers to the graded steps of position. It also refers to a layer of people divided within society by status, property and the like; as in 「労働者階級」「階級社会」, it is used when speaking about society or history.
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N2海峡かいきょう
A narrow sea passage between two landmasses. Often used as part of a place name, as in 「津軽海峡」.
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N2解雇かいこ
「解」 means to undo, and 「雇」 means to hire; together they mean to undo an employment relationship. It refers to a company unilaterally dismissing someone who has been employed. Used in expressions like 「解雇する」 or 「不当解雇」, in situations of the employer ending the employment relationship. Frequently appears in legal and labor contexts.
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N2介護かいご
To care for an elderly or sick person, helping with eating, bathing, moving around, and the like.
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N2外交がいこう
Building relations between countries and settling issues through talks; diplomacy. Used as in 外交官 (diplomat), 外交問題 (diplomatic issue).
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N2会合かいごう
People gathering for consultation or discussion; also, the gathering itself. Covers a wider range of formality than 会議 (meeting) and is mostly used in writing.
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N2開催かいさい
To hold and carry out a meeting, event, tournament, or the like.
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N5会社かいしゃ
company. A place where people gather to work. Example: 「会社に行く」 (to go to work/the office).
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N2解釈かいしゃく
Understanding and explaining the meaning of words or things in one's own way; interpretation. Used where the same thing can be understood differently by different people, as in 法律の解釈 (interpretation of the law), 良い方に解釈する (take it in a favorable way).
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N2改修かいしゅう
To repair and fix up defective parts of a building or facility. Mainly applies to structures and facilities.
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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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N2怪獣かいじゅう
A huge, frightening imaginary creature that appears in stories or movies.
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N2解除かいじょ
To cancel a restriction or agreement that has been set, returning to the original free state. 「警報を解除する」「契約を解除する」.
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N2解析かいせき
「解」 means to undo or break down, and 「析」 means to separate; together they mean to break apart and examine in detail. It refers to dividing a complex matter into elements and investigating its structure or content in detail. Used in expressions like 「データ解析」 or 「画像解析」, it is a formal word used in technical and research contexts.
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N2回送かいそう
(1) To move a vehicle to another location without carrying passengers or cargo. 「回送電車」. (2) To forward mail or the like that has arrived to a different address.
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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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N2開拓かいたく
It refers to opening up and expanding undeveloped land, or new fields and markets. Used in expressions like 「荒れ地を開拓する」, 「新市場を開拓する」, or 「販路を開拓する」, in situations of opening up for the first time a domain that no one has touched.
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N2会談かいだん
To hold formal talks with an important counterpart in an official setting. Used in political and diplomatic contexts.
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N5階段かいだん
stairs. A place connecting an upper floor and a lower floor, climbed and descended on foot.
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N2改定かいてい
To newly re-establish a rule, fee, or the like. 「料金の改定」. A different word from 「改訂」, which has the same reading; this word applies to systems, prices, and the like.
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N2改訂かいてい
To correct and update the content of a book or piece of writing. 「教科書の改訂」. Easily confused with 「改定」, which has the same reading, but this word applies to books and writing.
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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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N2介入かいにゅう
「介」 means to come between, and 「入」 means to enter; together they mean to step in between. It refers to a third party stepping in to become involved in the affairs of the parties concerned. Used in expressions like 「軍事介入」 or 「司法介入」, it is a formal word for situations of external intervention. It frequently appears in political, international relations, and organizational contexts.
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N2解任かいにん
「解」 means to undo, and 「任」 means a duty or office; together they mean to undo an office. It refers to removing a person from an office or duty to which they had been appointed. Used in expressions like 「役員を解任する」, in situations where an organization unilaterally relieves someone of office. Frequently appears in legal and organizational contexts.
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N2介抱かいほう
「介」 means to help or to come between, and 「抱」 means to embrace; together they mean to come between and care for someone in one's arms. It refers to caring for a sick person, an injured person, or someone unable to move due to drunkenness. Used in expressions like 「酔った友人を介抱する」, in situations of nursing someone temporarily weakened.
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N2解明かいめい
「解」 means to unravel or to clarify, and 「明」 means to make clear; together they mean to unravel and make clear. It refers to investigating and making clear what has been unknown. Used in expressions like 「真相を解明する」 or 「事故原因の解明」, in situations of uncovering hidden facts.
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N5買い物かいもの
shopping. Buying things. Example: 「スーパーで買い物をする」 (to shop at a supermarket).
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N2解約かいやく
「解」 means to undo, and 「約」 means a contract; together they mean to undo a contract. It refers to canceling a contract that has been concluded. Used in expressions like 「契約を解約する」 or 「保険を解約する」, in situations of ending an agreement that has been established.
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N2, N5買うかう
buy. To pay money and make something one's own. The antonym is 「売る」 (to sell).
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N3, N5返すかえす
return. To give back something borrowed to the original person. Example: 「本を返す」 (to return a book). Distinguished in writing from the homophone 「帰す」 (to send a person back home, etc.) and others.
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N4, N5帰りかえり
Returning to home or one's original place, or the time of doing so. The antonym is 「行き」 (going).
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N5帰るかえる
To go back to one's own home, country, or original place. Example: 「家に帰る」 (to go home).
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N4, N5顔かお
face. The front part of the head, where the eyes, nose, and mouth are.
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N3〜N5かかるかかる
To require time or money. Example: 「駅まで十分かかる」 (it takes 10 minutes to the station). Has various uses, as in 「かぎがかかる」 (to be locked), 「電話がかかる」 (a call comes in). Written with the kanji 「掛かる」, but usually written in hiragana.