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ALL LEVELS・N1–N5
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4,238words (N1–N5 total)
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Filtered by N1・N2・N4・N5
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N4
空気
くうき
air. What is around us for people to breathe. Also used to mean the atmosphere of a place.
AI-generated translation
N4
空港
くうこう
airport. A place where airplanes take off and land.
AI-generated translation
N2
区画
くかく
It refers to a range of land or space divided by a fixed boundary line. Used in expressions like 「区画整理」 or 「住宅区画」, it refers to a domain demarcated on a map.
AI-generated translation
N5
九月
くがつ
The 9th month of the year. It is read 「くがつ」, not 「きゅうがつ」.
AI-generated translation
N1
苦境
くきょう
「苦」 means hardship, and 「境」 means situation; together they mean a painful situation. It refers to a position or circumstance that is extremely painful. Used in expressions like 「苦境に立たされる」 or 「苦境に陥る」, it is a formal word for situations of being driven into difficulty. It frequently appears in economic and political articles.
AI-generated translation
N2
区切り
くぎり
A break in things, or the point at which a continuous task reaches a stopping point. Used in expressions like 「区切りをつける」 or 「区切りがいい」, it is an abstract noun used in situations of partitioning the stages of work or of life.
AI-generated translation
N2
苦言
くげん
「苦」 means bitter, and 「言」 means words; together they mean words that taste bitter to the ear. It refers to advice given out of consideration for the listener, though hard for them to hear. Used in expressions like 「苦言を呈する」 or 「苦言を聞く」, it is a formal word for stern advice from a senior or experienced person.
AI-generated translation
N1
具現化
ぐげんか
「具」 means concrete, 「現」 means to manifest, and 「化」 means to turn into; together they mean to manifest in a concrete form. It refers to giving an abstract idea or ideal a visible, concrete form and realizing it. Used in expressions like 「理想を具現化する」 or 「夢を具現化する」, it is a formal word used when bringing a concept into actual form.
AI-generated translation
N4
草
くさ
grass. A green plant that grows in gardens or mountains, etc. Not a tree.
AI-generated translation
N1
駆使
くし
「駆」 means to drive forward, and 「使」 means to use; together they mean to drive forward and use at will. It refers to skillfully using knowledge, technique, or language that one possesses, as one wishes. Used in expressions like 「最新技術を駆使する」 or 「三カ国語を駆使する」, in situations of freely employing high-level abilities.
AI-generated translation
N1
くしくも
くしくも
By a mysterious turn of events. Used in expressions like 「くしくも同じ日に」, it is an adverb leaning toward written language, used in situations where a coincidental match is felt to be fateful. It is also written with the kanji 「奇しくも」.
AI-generated translation
N2
苦し紛れ
くしまぎれ
It refers to actions or remarks given in the moment without thinking about consequences, due to extreme distress. Used in expressions like 「苦し紛れの言い訳」, it indicates the desperate response given when one is driven into a corner.
AI-generated translation
N2
苦渋
くじゅう
「苦」 means bitter, and 「渋」 means astringent; the word shifts from the taste sensations of bitterness and astringency to mental anguish. It refers to suffering and being troubled. Used in expressions like 「苦渋の決断」 or 「苦渋に満ちた表情」, it is a formal word for inner anguish faced when confronting problems with no easy answer.
AI-generated translation
N2
駆除
くじょ
「駆」 means to drive away, and 「除」 means to remove; together they mean to drive away and remove. It refers to removing creatures that cause harm. Used in expressions like 「害虫駆除」 or 「ネズミの駆除」, in situations of eliminating pests, harmful animals, or weeds that are harmful to humans.
AI-generated translation
N2
苦笑
くしょう
A bitter laugh in which feelings of perplexity or exasperation outweigh amusement. Used in expressions like 「苦笑を浮かべる」, it refers to the weak laugh shown in situations where laughing is the only thing one can do.
AI-generated translation
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
N4
首
くび
neck. The part that connects the head and body. Also used to mean being fired from a job, as in 「首になる」 (to get fired).
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
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.