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ALL LEVELS・N1–N5
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4,238words (N1–N5 total)
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N2
苦情
くじょう
A complaint one voices to another party about trouble or dissatisfaction one has experienced.
AI-generated translation
N2
苦心
くしん
To rack one's brains and go through difficulty in order to accomplish something.
AI-generated translation
N5
薬
くすり
medicine. Something taken or applied to cure illness or injury. Used with the verb 「薬をのむ」 (to take medicine).
AI-generated translation
N2
苦戦
くせん
「苦」 means hardship, and 「戦」 means battle; together they mean a difficult battle. It refers to opponents or circumstances in matches, competitions, or work being so tough that things do not progress as intended. Used in expressions like 「苦戦を強いられる」 or 「販売が苦戦する」, it is often used in sports and business contexts.
AI-generated translation
N2
愚痴
ぐち
It refers to repeatedly grumbling with dissatisfaction about things that are useless to talk about. Used in expressions like 「愚痴をこぼす」 or 「愚痴を言う」, in situations of letting out complaints that lead to no solution.
AI-generated translation
N1
口裏
くちうら
「口裏」 refers to the back side of spoken words—that is, the content of what has been said. It expresses multiple people aligning the content of their stories. It is a noun used in a virtually fixed form as 「口裏を合わせる」, and often appears in contexts suggesting illicit collusion.
AI-generated translation
N2
口数
くちかず
The amount of words a person speaks. Used in expressions like 「口数が少ない」 or 「口数が多い」, it is an everyday word used in situations of expressing a person's character or mood through how much they speak.
AI-generated translation
N1
駆逐
くちく
「駆」 means to drive away, and 「逐」 means to drive away; the word combines two synonymous characters. It refers to driving away undesirable things. Used in expressions like 「悪貨は良貨を駆逐する」 or 「敵を駆逐する」, it is a formal word used in the sense of completely removing something from a certain area.
AI-generated translation
N1
口車
くちぐるま
「口車」 is a metaphorical term referring to something that, like a wheel, uses skillful words to move the other person. It refers to a way of speaking that tries to deceive others through clever talk. Used idiomatically in the forms 「口車に乗る」 or 「口車に乗せる」, in situations of being deceived by clever speech.
AI-generated translation
N1
口先
くちさき
A word transferred from the original meaning of the tip of the mouth, referring to superficial words that have no heart in them. Used in expressions like 「口先だけ」 or 「口先で言う」, it critically points to a manner in which words do not match action or one's true heart.
AI-generated translation
N1
口添え
くちぞえ
It refers to adding helpful words from the side so that another's request or negotiation goes smoothly. Used in expressions like 「口添えを頼む」, in situations where a third party steps in between to provide support.
AI-generated translation
N2
口出し
くちだし
It refers to adding unnecessary opinions or interference to matters with which one is not directly involved. Used in expressions like 「口出しをするな」 or 「他人に口出しする」, it is a noun used in critical contexts.
AI-generated translation
N1
口止め
くちどめ
It refers to telling someone not to mention something to others. Used in expressions like 「口止めをする」 or 「口止め料」, in situations of warning someone in advance to keep something secret.
AI-generated translation
N1
口走る
くちばしる
It refers to thoughtlessly, or in excitement, blurting out something one should not say. Used in expressions like 「秘密を口走る」 or 「失言を口走る」, it indicates a remark made contrary to the speaker's intention.
AI-generated translation
N2
朽ち果てる
くちはてる
It refers to completely rotting to the point of losing its original form. Used in expressions like 「朽ち果てた廃屋」, it describes the state of an object that has rotted and decayed to the utmost over a long period. It is also used metaphorically in the sense of fame fading away.
AI-generated translation
N1
口火
くちび
「口火」 originally referred to the part used to light the first fire in a matchlock gun or a stove. From this, it came to be used metaphorically for the trigger that starts something. As in 「議論の口火を切る」 or 「事件の口火となる」, it refers to an action or event that becomes the initial trigger for something to occur.
AI-generated translation
N2
口元
くちもと
The area around the mouth, the surroundings of the mouth. Used in expressions like 「口元が緩む」 or 「口元を覆う」, in situations of describing it as a body part where expression or emotion appears.
AI-generated translation
N1
朽ちる
くちる
It refers to wood or plants rotting and falling to pieces over time. Used in expressions like 「朽ちた門」 or 「名声が朽ちる」, by metaphor it is also used for the decline of reputation or memory, not just for physical things.
AI-generated translation
N2
苦痛
くつう
It refers to physical or mental suffering or pain. Used in expressions like 「苦痛を訴える」 or 「苦痛に耐える」, it is used broadly from medical settings to everyday life.
AI-generated translation
N1
覆す
くつがえす
Originally it means to physically turn over a boat or vessel. From the original use as in 「机を覆す」, it came to be used metaphorically for overturning a stable state and changing it at its root. It is most often used in situations of reversing what has been decided or an established view, such as judgments, accepted theories, or political systems, as in 「定説を覆す」 or 「政権を覆す」.
AI-generated translation
N1
覆る
くつがえる
Originally it means for a boat or vessel to physically turn over. From the original use as in 「船が覆る」, it came to be used metaphorically for a stable state being overturned and changing at its root. It is most often used in situations where what had been decided or an established view is reversed, as in 「判決が覆る」 or 「定説が覆る」.
AI-generated translation
N1
屈強
くっきょう
「屈」 means to bend or be broken in spirit, and 「強」 means strong. It describes being so strong that even when bent one does not yield, hence having a sturdy build and strong physical power. Used in expressions like 「屈強な体格」 or 「屈強な男たち」, it is a formal word for describing a person of outstanding physical strength.
AI-generated translation
N1
屈指
くっし
It refers to being so few that they can be counted on one's fingers, or outstanding enough to be included among them. Used in expressions like 「世界屈指の名選手」 or 「業界屈指の企業」, it is a formal word for being included in the top few people or companies.
AI-generated translation
N2
屈辱
くつじょく
「屈」 means to bow down, and 「辱」 means humiliation; together they express humiliation so great that one is forced to bow down. It refers to the unbearable shame and resentment felt when one's pride is hurt. Used in expressions like 「屈辱を味わう」 or 「屈辱に耐える」, it refers to the deep mental pain suffered in situations of defeat or insult.
AI-generated translation
N2
屈折
くっせつ
It refers to something that had been moving straight bending and turning. In addition to the physical phenomenon of the path of light or sound changing, it is also used for the manner of the psyche being complexly distorted, as in 「屈折した感情」.
AI-generated translation
N1
屈託
くったく
A state in which worry or anxiety lingers in one's heart and does not clear away. It is also used in the affirmative, as in 「屈託のある表情」, but it is especially often used in the negative form, as in 「屈託のない笑顔」 or 「屈託なく笑う」, to express a bright, carefree appearance.
AI-generated translation
N1
屈服
くっぷく
「屈」 means to bow one's body, and 「服」 means to submit; together they mean to bow one's body and submit. It refers to losing to the other's force or pressure and submitting. Used in expressions like 「武力に屈服する」 or 「圧力に屈服する」, in situations of being forced to stop resisting and follow the other party's will.
AI-generated translation
N1
駆動
くどう
「駆」 means to drive forward, and 「動」 means to set in motion; together they mean to apply power to make something move. It refers to supplying motive power to machines or devices to make them operate. Used in expressions like 「四輪駆動」 or 「電動で駆動する」, it is a technical word expressing power transmission in automobiles and machinery.
AI-generated translation
N2
苦闘
くとう
It refers to fighting while suffering in the face of difficulty. Used in expressions like 「悪戦苦闘」 or 「苦闘の末に勝利する」, it is a formal word used in situations of struggling earnestly in conditions that are not at all easy.
AI-generated translation
N2
苦難
くなん
It refers to a painful and difficult situation or experience. Used in expressions like 「苦難の道」 or 「苦難を乗り越える」, it is a formal word for trials in life or history.
AI-generated translation
N2
苦悩
くのう
It refers to suffering and worrying deeply in one's heart. Used in expressions like 「苦悩する」 or 「苦悩の表情」, it is a formal word used in situations of being mentally driven into a corner by a problem for which no path to a solution can be seen.
AI-generated translation
N1
具備
ぐび
「具」 means to fully equip, and 「備」 means to prepare; the word combines two synonymous characters. It refers to fully meeting all required conditions or qualifications. Used in expressions like 「要件を具備する」, it is a formal administrative term used in application or qualification review contexts.
AI-generated translation
N2
工夫
くふう
「工」 means craft, and 「夫」 means person or activity; together they mean to put one's craftsmanship to work. It refers to using one's mind to find a better method. Used in expressions like 「工夫を凝らす」 or 「工夫する」, in situations of putting one's wits to work to improve or refine something.
AI-generated translation
N2
区分
くぶん
It refers to dividing the whole based on some criterion. Used in expressions like 「年齢区分」 or 「料金区分」, it is a formal word used in situations of classifying by nature, stage, or rank.
AI-generated translation
N1
くまなく
くまなく
An adverb meaning "to every corner without remainder, with no place left untouched." Used in expressions like 「くまなく探す」 or 「くまなく調べる」, it is used in situations of carrying out search or investigation thoroughly.
AI-generated translation
N2
組み合わせ
くみあわせ
The act of bringing multiple things together into one, or the manner of that combining. Used in expressions like 「色の組み合わせ」 or 「組み合わせ抽選」, it is a noun used broadly in situations of selecting elements or determining opponents in matches.
AI-generated translation
N2
組み入れる
くみいれる
It refers to taking a new element into an existing system or plan. Used in expressions like 「予算に組み入れる」 or 「日程に組み入れる」, in situations of formally positioning something as a component of the whole.
AI-generated translation
N2
組み替える
くみかえる
It refers to undoing a configuration or order that has been set up once and rearranging it in a different form. Used in expressions like 「日程を組み替える」 or 「組織を組み替える」, in situations of restructuring an existing structure.
AI-generated translation
N2
組み込む
くみこむ
It refers to taking something in as an element constituting the whole and making it an inseparable part. Used in expressions like 「機能を組み込む」 or 「条件を組み込む」, in situations of embedding something inside a system or plan.
AI-generated translation
N2
組み立てる
くみたてる
It refers to arranging parts or elements in order to make a finished product or overall structure. It is used broadly, from assembling furniture and machinery to constructing logic, plans, and writing.
AI-generated translation
N1
組み直す
くみなおす
It refers to once undoing what has already been put together and rebuilding it anew. Used in expressions like 「予算を組み直す」 or 「計画を組み直す」, in situations of reconstructing after a review.
AI-generated translation
N1
組み伏せる
くみふせる
It refers to grappling with the other party and pinning them down by force so that they cannot move. It is a somewhat formal word used in situations of fighting or arrest, and also appears in news articles.
AI-generated translation
N1
汲む
くむ
Originally a verb meaning to scoop up liquid with a vessel. From this it developed the figurative meaning of perceiving and showing consideration for another person's circumstances or feelings. Used in situations where one reads and accepts another's unspoken thoughts, as in 「事情を汲む」(understand someone's circumstances)、「気持ちを汲む」(understand someone's feelings)、「真意を汲む」(grasp the true intention). The form 「汲み取る」 is also commonly used. The figurative usage is central.
AI-generated translation
N1
工面
くめん
「工」 means craft or effort, and 「面」 means contrivance; together they mean to contrive through ingenuity. It refers to somehow managing to prepare money or other things through hard effort. Used in expressions like 「学費を工面する」 or 「資金を工面する」, in situations of scraping together what is lacking.
AI-generated translation
N2
雲行き
くもゆき
It refers to a change in the course or atmosphere of a matter. Used in expressions like 「雲行きが怪しい」, in situations of sensing signs that things are likely to develop in an unfavorable direction. It is a metaphorical expression transferred from meteorology.
AI-generated translation
N5
曇り
くもり
Weather in which the sky is covered with clouds. The antonym is 「はれ」 (clear weather).
AI-generated translation
N5
曇る
くもる
For the sky to become full of clouds. Example: 「午後から曇る」 (it will become cloudy in the afternoon).
AI-generated translation
N1
苦悶
くもん
「苦」 means pain or suffering, and 「悶」 means to writhe in agony; the word combines two synonymous characters. It refers to writhing intensely in physical pain or mental suffering. Used in expressions like 「苦悶の表情を浮かべる」, it is a formal written word expressing deep suffering, used in newspapers and literary writing.
AI-generated translation
N1, N3, N5
暗い
くらい
dark. Having little light, so things are hard to see. Example: 「暗いへや」 (a dark room). The antonym is 「明るい」 (bright).
AI-generated translation
N2
暮らし向き
くらしむき
It refers to the economic situation of daily life. Used in expressions like 「暮らし向きが楽になる」, it is a somewhat formal everyday word for the comfort of household finances or the standard of living.
AI-generated translation
Vocabulary data on this site is based on the JMdict/EDICT project (© Electronic Dictionary Research and Development Group, CC BY-SA 4.0). JLPT level classification is our own assessment using AI (Claude) and is not an official JLPT standard.