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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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N2
軽率
けいそつ
「軽」 means light, and 「率」 means rough or careless; together they describe being light and rough. It refers to acting without thinking carefully. Used in expressions like 「軽率な発言」 or 「軽率な判断」, in contexts that negatively evaluate acts lacking caution.
AI-generated translation
N1
傾聴
けいちょう
It refers to leaning one's ear deeply into the other person's words and listening earnestly. Used in expressions like 「傾聴の姿勢」 or 「ご意見を傾聴する」, it is a formal word for an attitude of respecting and listening to the other party in formal settings.
AI-generated translation
N2
警笛
けいてき
It refers to a whistle or device that vehicles, ships, or the like sound to give warning or signals of danger. Used in expressions like 「警笛を鳴らす」, in situations of producing a sound to call attention to a warning.
AI-generated translation
N1
傾倒
けいとう
「傾倒」 originally meant the body leaning and falling over. From this, it came to be used metaphorically for devoting oneself so strongly to a person, philosophy, or art that one almost leans into it, becoming absorbed. It is a formal word expressing being deeply influenced and enthusiastically devoted, as in 「彼の思想に傾倒する」.
AI-generated translation
N2
渓流
けいりゅう
It refers to a small stream in a valley flowing through mountainous areas. Used in expressions like 「渓流釣り」 or 「渓流の音」, it is a formal word used in contexts of nature, mountaineering, and fishing.
AI-generated translation
N1
汚れる
けがれる
For sanctity, honor, or purity of heart to be spoiled. Used not for dirt or stains but for scenes in which something of value is damaged, as in "家名が汚れる" or "聖地が汚れる". When the one doing the damage is the subject, "けがす" is used, as in "名誉を汚す". The same "汚れる" read as "よごれる" is a different word meaning to become dirty in appearance from mud or stains.
AI-generated translation
N2
劇薬
げきやく
A medicine that has a strong effect on the body and is dangerous if mishandled. Also used metaphorically as in「劇薬的な政策」to refer to measures with great effect but also serious side effects.
AI-generated translation
N5
今朝
けさ
This morning. Read as 「けさ」, not read according to the characters as written.
AI-generated translation
N4
景色
けしき
scenery. The surrounding sights that can be seen, such as mountains or the sea.
AI-generated translation
N4
消しゴム
けしごむ
eraser. A tool for erasing writing made with a pencil.
AI-generated translation
N1
けじめ
けじめ
The original meaning is to clearly distinguish boundaries between things. It refers to an attitude of clearly separating public and private matters, or right and wrong. From this, it developed the derived meaning of drawing a line and taking responsibility, and is often used in the form 「けじめをつける」 to mean making one's attitude clear or taking responsibility.
AI-generated translation
N4
下宿
げしゅく
lodging. To pay money to rent a room in someone's house and live there.
AI-generated translation
N2
化身
けしん
The appearance of a deity or spiritual being in the form of a person or animal. Also used metaphorically to refer to an entity embodying a particular quality, as in「悪の化身」「美の化身」.
AI-generated translation
N2, N5
消す
けす
To stop a burning fire or an electric light that is on. Example: 「電気を消す」 (to turn off the light). Also used to mean erasing written characters. When it goes out by itself, 「消える」 is used.
AI-generated translation
N1
けたたましい
けたたましい
It describes a manner in which a sound suddenly resounds loudly and feels grating to the ears. Used in expressions like 「けたたましい音」 or 「けたたましく笑う」, it is used in situations of negatively describing noise or shrill voices.
AI-generated translation
N1
桁違い
けたちがい
「桁」 refers to digits, that is, the positional values of ones, tens, hundreds, and so on. 「桁違い」 expresses a difference in scale so great that the very digit count differs. Used in expressions like 「桁違いの規模」 or 「桁違いに速い」, it is used when differences in quantity or ability stand out, in both positive and negative senses.
AI-generated translation
N2
血縁
けつえん
It refers to having a blood relationship. Used in expressions like 「血縁関係」 or 「血縁を頼る」, it indicates biological kinship such as parent-child or siblings. It is also used in legal and family register contexts.
AI-generated translation
N2
欠陥
けっかん
Something that should be present being missing; a flaw; a deficiency.
AI-generated translation
N1
血気
けっき
It refers to the youthful spirit of trying to act on momentum without considering consequences. Used in expressions like 「血気盛んな若者」 or 「血気にはやる」, it is a formal word for youthful zeal accompanied by recklessness.
AI-generated translation
N1, N5
結構
けっこう
A word used to politely decline, meaning "no thank you." Example: 「もう結構です」 (that's enough, thank you). Also used to mean "more than expected," as in 「結構おいしい」 (surprisingly delicious).
AI-generated translation
N5
結婚
けっこん
marriage. Two people becoming a married couple. Example: 「結婚する」 (to get married).
AI-generated translation
N2
傑作
けっさく
A work of art or creative production with extraordinarily outstanding achievement. Used in expressions like 「不朽の傑作」 or 「彼の傑作」, it is a formal word used in contexts of praising a work outstanding enough to be remembered by posterity.
AI-generated translation
N4
決して
けっして
Followed by a negative, a word intensifying the feeling of "absolutely." Example: 「決してわすれない」 (I will never forget).
AI-generated translation
N1
傑出
けっしゅつ
「傑」 means to be outstanding, and 「出」 means to come out; together they mean to stand out prominently. It is a word describing being far superior to others. Used in expressions like 「傑出した才能」 or 「傑出した人物」, it is a formal word for strongly praising remarkable ability or achievement.
AI-generated translation
N2
結晶
けっしょう
The original meaning refers to a substance whose molecules or atoms are arranged in a regular pattern, forming a definite shape. From this, the word came to be used metaphorically for something that takes shape through the accumulation of effort or affection. It is a formal word often used metaphorically, as in 「努力の結晶」 or 「汗の結晶」.
AI-generated translation
N1
結束
けっそく
「結」 means to tie, and 「束」 means a bundle; originally the word means to bundle and bind. From this, it came to be used metaphorically for people uniting firmly for a common purpose. Used in expressions like 「結束を固める」 or 「結束が強い」, in contexts that emphasize the cohesion of an organization or group.
AI-generated translation
N1
結託
けったく
「結」 means to bind, and 「託」 means to entrust; together they mean to be bound together and rely on each other. It refers to joining hands with others to do wrong. Used in expressions like 「業者と結託する」 or 「内部の者と結託する」, in contexts of improper conspiracy. Unlike 「協力」, which is neutral, this word has a negative meaning.
AI-generated translation
N2
決断
けつだん
To cut off hesitation and make up one's mind clearly.
AI-generated translation
N2
血統
けっとう
It refers to the blood connection passed down from parents to children, that is, the family line. Used in expressions like 「名門の血統」 or 「血統書」, it is used in contexts that emphasize the lineage of people or animals.
AI-generated translation
N1
血肉
けつにく
Refers to blood relations or knowledge and experience deeply absorbed into oneself. Read as 「けつにく」, but can also be read as 「ちにく」. Used in expressions like 「血肉を分けた兄弟」「経験を血肉とする」.
AI-generated translation
N1
潔白
けっぱく
It refers to having absolutely nothing guilty in one's heart or actions. Used in expressions like 「身の潔白を証明する」 or 「潔白を主張する」, it is a formal word used in contexts where a person under suspicion proclaims their innocence.
AI-generated translation
N1
傑物
けつぶつ
A word referring to a person of extraordinary ability or stature. Used in expressions like「歴史に名を残す傑物」, this is a formal way of highly praising the subject.
AI-generated translation
N1
潔癖
けっぺき
It refers to a nature of extremely disliking unclean things, or to a strict attitude that does not tolerate impropriety or ambiguity. Used in expressions like 「潔癖な性格」 or 「金銭に潔癖だ」, it is a formal word that expresses the strictness of character or ethical sense.
AI-generated translation
N1
欠乏
けつぼう
「欠」 means to lack, and 「乏」 means to be scarce; the word combines two synonymous characters expressing insufficiency. It refers to a state in which what is needed is not enough. Used in expressions like 「ビタミン欠乏」 or 「物資の欠乏」, it is a formal word for not reaching the proper amount, frequently appearing in nutrition and resource contexts.
AI-generated translation
N1
血脈
けつみゃく
A word for blood relations or lineage. Used in formal writing to emphasize the continuity of a family line or lineage, as in「王家の血脈」「血脈を絶やさない」.
AI-generated translation
N5
月曜日
げつようび
Monday. A day of the week. The day after Sunday.
AI-generated translation
N2
欠落
けつらく
「欠」 means to lack, and 「落」 means to fall or drop out; together they mean to drop out and be missing. It is a word expressing that what should originally be present has fallen away. Used in expressions like 「責任感の欠落」 or 「データの欠落」, it is a formal word for a state in which a necessary element or ability has been lost.
AI-generated translation
N2
けなす
けなす
It is a verb that expresses speaking ill of someone or something. Used in expressions like 「人をけなす」 or 「作品をけなす」, in situations of valuing something low and criticizing it. It is the opposite meaning of 「ほめる」.
AI-generated translation
N2
仮病
けびょう
Pretending to be ill when one is not. Used as a pretext to skip school or work. The set pattern is to combine with the verb「使う」, as in「仮病を使う」.
AI-generated translation
N2
下劣
げれつ
A word describing a person's character or actions as base and lacking in dignity. A formal expression used to strongly criticize someone, as in「下劣な手段」「下劣な発言」.
AI-generated translation
N1
権威
けんい
It refers to a position of having outstanding knowledge and ability in a field and being trusted by people, or to a legitimate power that makes others submit. Used in expressions like 「経済学の権威」 or 「権威を失う」.
AI-generated translation
N4
原因
げんいん
The reason or cause why something happened. Example: 「じこの原因」 (the cause of an accident).
AI-generated translation
N1
権益
けんえき
「権」 means right, and 「益」 means benefit; together they mean rights and the benefits that accompany them. It refers to rights and the benefits gained along with them. Used in expressions like 「既得権益」 or 「海外権益」, it is a formal word for the interests secured by a state or enterprise. It is often seen in newspapers and economic articles.
AI-generated translation
N2
減価
げんか
A word meaning the decline in value of an asset over time. Frequently appears as an accounting term in「減価償却」, referring to the process of expensing the value of equipment or machinery year by year.
AI-generated translation
N4
喧嘩
けんか
quarrel. To argue or fight with someone. Used for both verbal disputes and physical fighting.
AI-generated translation
N2
見解
けんかい
A view or opinion on an issue. A formal word used for official positions or expert opinions, as in 政府の見解 (the government's view), 見解の相違 (a difference of opinion).
AI-generated translation
N5
玄関
げんかん
The entrance area of a house or building. In Japanese homes, shoes are removed here.
AI-generated translation
N5
元気
げんき
A state of being in good physical condition and full of energy. 「お元気ですか」 (how are you) is commonly used as a greeting.
AI-generated translation
N4
研究
けんきゅう
research. To investigate or think deeply about something.
AI-generated translation
N4
研究室
けんきゅうしつ
laboratory. A room for doing research.
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.