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A state of not hesitating and putting forth all one's strength or feeling. Used adverbially as in 「思い切り走る」 or 「思い切り笑う」, expressing carrying out an action with full force without restraint. The adverbial usage derived from the conjunctive form is central, with a noun usage meaning "resolve."
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N2思い込むおもいこむ
To deeply believe something and not consider other possibilities. Used as in 「勝手に思い込む」 or 「一方的に思い込む」, mostly in cases where one believes something without verifying whether it is true.
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N2思い遣りおもいやり
A heart that considers others' feelings and circumstances and acts kindly. Used as in 「思い遣りのある人」 or 「思い遣りに欠ける」. A positive word expressing the attitude of putting oneself in the other person's position and showing care.
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N3〜N5思うおもう
To think or feel something in one's mind. Example: 「あしたは雨だと思う」 (I think it will rain tomorrow).
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N2, N5面白いおもしろい
A state of feeling like laughing, or feeling fun. Example: 「面白い話」 (an interesting story). Also used for books or work, meaning "interesting."
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N2, N4表おもて
The side of something that faces forward or can be seen from the outside. The antonym is 「裏」 (the back/reverse side). The same 「表」 read as 「ひょう」 is a different word referring to something in which figures or items are arranged vertically and horizontally.
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N3主におもに
mainly. As the center. For the most part. Example: 「主に若い人が利用する」 (mainly used by young people), 「主に野菜を作っている」 (mainly grows vegetables).
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N3思わずおもわず
Naturally, without intending to. Example: 「思わず笑ってしまった」 (couldn't help laughing), 「思わず声が出た」 (a sound escaped involuntarily).
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N2及び腰およびごし
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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N3及ぶおよぶ
For something to reach as far as a certain point. To spread. In the form 「〜に及ばない」, it means there is no need to do that.
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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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N3, N4折るおる
To bend a hard object and separate it. Example: 「えだを折る」 (to break a branch). Also used to mean bending paper to make a shape, as in 「かみを折る」 (to fold paper).
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N1, N3, N4折れるおれる
For a hard object to bend and separate. Example: 「えだが折れる」 (a branch breaks).
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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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N3降ろすおろす
To take a person or luggage out of a vehicle. Example: 「駅前で客を降ろす」 (to drop off a passenger in front of the station). The homophone 「下ろす」 means to move something from a high place to a low place (e.g. 「棚から荷物を下ろす」, to take luggage down from a shelf; 「お金を下ろす」, to withdraw money), and is written differently.
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N3恩おん
A helpful favor received from someone, for which one is grateful. Example: 「恩を返す」 (to repay a favor), 「恩を忘れない」 (to never forget a kindness). Also forms compound words like 「恩人」 (a person one owes gratitude to) and 「恩師」 (a teacher one is grateful to).
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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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N3温暖おんだん
A state where the climate is warm and mild. Example: 「温暖な気候」 (a warm climate), 「地球温暖化」 (global warming). The antonym is 「寒冷」 (cold climate).
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N3温度おんど
temperature. The degree of warmth or coldness. Example: 「部屋の温度」 (room temperature), 「温度を測る」 (to measure the temperature).
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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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N3開会かいかい
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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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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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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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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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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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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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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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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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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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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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.