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ALL LEVELS・N1–N5
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4,238words (N1–N5 total)
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N1
勤しむ
いそしむ
To devote oneself diligently to something. Used in phrases like 「仕事に勤しむ」 or 「研究に勤しむ」 to mean focusing intently on one thing. A written-language word used in formal style.
AI-generated translation
N1
痛々しい
いたいたしい
A state so pitiful that the viewer cannot bear to keep watching. Used for figures with injuries, emaciation, or pushing themselves too hard, expressed as in 「痛々しい姿」 or 「痛々しくて見ていられない」.
AI-generated translation
N2
委託
いたく
Asking and entrusting one's work or authority to a reliable other party. Used not between individuals, but in formal contexts where companies or organizations outsource work externally. Used as in 「業務を委託する」 or 「委託販売」.
AI-generated translation
N1
痛手
いたで
A heavy loss or serious emotional blow. Used in expressions such as 「痛手を受ける」 and 「痛手を負う」. Originally referred to a deep physical wound, but in modern usage it more often refers metaphorically to economic losses or emotional pain rather than literal injuries.
AI-generated translation
N2
板挟み
いたばさみ
To stand between two conflicting parties and suffer from being unable to side with either. Used in expressions like 「上司と部下の板挟みになる」.
AI-generated translation
N1
痛ましい
いたましい
A state so pitiful that even looking at it makes one's heart ache and one's spirits sink. Used for serious and irredeemable situations such as accidents, disasters, or the misfortune of small children, as in 「痛ましい事故」 or 「痛ましい光景」.
AI-generated translation
N1, N2
至る
いたる
To reach a place, state, or result. Used for places (駅に至る道 "the road leading to the station") and for outcomes (結論に至る "reach a conclusion"). Mostly used in writing. Also appears in a pattern emphasizing the ends of a range (頭のてっぺんから足の先に至るまで "from the top of the head down to the tips of the toes").
AI-generated translation
N1
異端
いたん
Deviating from the ways of thinking or positions considered correct in that era or society. Used as in 「異端とされる」 or 「異端の画家」, referring to existence not easily accepted from the mainstream's viewpoint.
AI-generated translation
N2
市
いち
An event where people gather at a set day or place to buy and sell goods. Used as in "駅前に市が立つ" (a market is held in front of the station), "朝市", or "古本市". Its characteristic is that it is held on set days rather than being a permanently open shop. The same "市" read as "し" is a different word meaning an administrative division larger than a town.
AI-generated translation
N2
一因
いちいん
One of several causes that brought about a certain result. A formal word that presupposes there are other causes besides this one, not the sole cause. Used as in 「〜の一因となる」 or 「一因として挙げられる」.
AI-generated translation
N2
一概に
いちがいに
An adverb used in combination with negative expressions such as 「〜とは言えない」 or 「〜には決められない」. Expresses the meaning that one cannot decide on the whole based on a single standard. Frequently appears in articles and commentaries when pointing out the existence of exceptions.
AI-generated translation
N1
一撃
いちげき
A single strong attack or blow. Used in the forms 「一撃を加える」 or 「一撃で〜する」. Besides physical strikes, it is also used metaphorically for the strong impact caused by remarks or events.
AI-generated translation
N2
著しい
いちじるしい
A state in which change or difference is conspicuously large. Used for clearly recognizable degrees of magnitude, such as growth in numbers or changes in situation. The adverbial usage 「著しく向上する」 is also common. A word used in formal style.
AI-generated translation
N2
一段と
いちだんと
A state in which the degree of something increases further compared with before. Used in expressions like 「一段と寒くなる」 and 「一段と美しい」.
AI-generated translation
N1
一任
いちにん
Entrusting all judgment or handling of a matter to another person. Used as in 「交渉を一任する」 or 「後任の人選を彼に一任した」 in scenes of leaving the responsibility itself to the other party. A formal written word.
AI-generated translation
N1
一部始終
いちぶしじゅう
The entirety of a matter from beginning to end. Used in the form 「一部始終を〜する」, combined with verbs such as to see, hear, tell, or witness. A formal expression referring to the whole course of an event without omission.
AI-generated translation
N1
一抹
いちまつ
「抹」 means a single stroke of a paintbrush. By extension, it expresses an extremely slight degree. Used with nouns denoting negative emotions such as anxiety, doubt, or loneliness, as in 「一抹の不安」 and 「一抹の寂しさ」. Not used in positive contexts.
AI-generated translation
N1
一目
いちもく
Glancing once, or a set expression meaning to recognize another's ability and show respect. Mostly used in the form「一目置く」. Also appears in compounds like「一目瞭然」「一目散」. The same kanji read with the kun-yomi as「ひとめ」becomes a separate word meaning "a single glance / others' eyes."
AI-generated translation
N1
一律
いちりつ
Treating everyone or everything the same without exception. Used as in 「一律に値上げする」 or 「一律料金」, a formal word used when applying things uniformly without considering individual circumstances.
AI-generated translation
N2
一連
いちれん
A state in which several matters are bundled together as a single series. Used as in 「一連の事件」 or 「一連の手続き」, referring to a group of related events that occurred in succession.
AI-generated translation
N1
一介
いっかい
A word adding the nuance "merely one insignificant person." Used as in 「一介の学生」 or 「一介のサラリーマン」 to express humility regarding the noun that follows. A formal expression that places oneself or others in a low position.
AI-generated translation
N1
一括
いっかつ
Handling multiple things together at once as a bundle. Used as in 「一括して処理する」 or 「一括払い」, a formal word used in scenes of handling things as a whole rather than individually.
AI-generated translation
N2
一環
いっかん
An element constituting a part of a larger plan or activity. Used in the form 「〜の一環として」 in scenes of positioning something not as a standalone act but as a part of the whole.
AI-generated translation
N1
一挙
いっきょ
Carrying out multiple things together in a single motion or action. Mainly used adverbially in forms like 「一挙に」 or 「一挙両得」. Used in scenes of processing or accomplishing several matters simultaneously in one go.
AI-generated translation
N1
一挙に
いっきょに
A state of carrying out matters together in a single motion or opportunity. Used as in 「一挙に解決する」 or 「一挙に売り上げが伸びた」 in scenes of completing things in one go without going through stages, or where a change occurs all at once.
AI-generated translation
N1
一挙両得
いっきょりょうとく
Gaining two benefits at once through a single action. Used in contexts of praising that one effort or one creative idea yields multiple results. Mostly used in the form 「〜は一挙両得だ」.
AI-generated translation
N2
一向に
いっこうに
An adverb used in combination with the negative form 「〜ない」. With the meaning "not at all 〜" or "not in the least 〜," it emphasizes that the expected change or progress is not visible at all.
AI-generated translation
N2
逸材
いつざい
A person with exceptionally outstanding talent. Used in expressions like 「将来有望な逸材」 and 「逸材を発掘する」.
AI-generated translation
N4
一生懸命
いっしょうけんめい
The state of doing something with all one's effort. It is used as in 「一生懸命に勉強する」, and the form without 「に」 is also common. It originally came from 「一所懸命」, which arose from the way people long ago risked their lives to defend a single piece of land. Today it is normally written as 「一生懸命」.
AI-generated translation
N1
一新
いっしん
Renewing old things and making them entirely new. Used in scenes of greatly recreating an organization's structure or policy, or a shop's interior. Used as in 「心機一新」 or 「陣容を一新する」. Has the nuance of changing the whole rather than partial improvement.
AI-generated translation
N1
一心
いっしん
Concentrating one's heart on a single thing. Used in forms like 「一心に」 or 「〜したい一心で」. Expresses a state of devoting one's whole mind to one purpose or object and working at it without looking aside.
AI-generated translation
N2
一身
いっしん
One's own single body or self. Used in the fixed forms 「一身に〜を受ける／集める／背負う」. Used in contexts where attention, responsibility, or expectations are concentrated on oneself alone, a relatively formal expression.
AI-generated translation
N1
一掃
いっそう
Removing all unwanted or undesirable things at once. Used as in 「不正を一掃する」 or 「在庫を一掃する」 in scenes of clearing away together what remains over a wide area. A formal written word.
AI-generated translation
N2
一層
いっそう
To an even greater degree than before; all the more. Used as in 一層努力する (try even harder), 寒さが一層厳しくなる (the cold grows even more severe).
AI-generated translation
N1
一帯
いったい
A wide expanse covering a whole area. Used as in 「この一帯」 or 「山麓一帯」, referring to a single bundled geographical extent.
AI-generated translation
N1
逸脱
いつだつ
Deviating from the original scope or rules. Used in cases of departing from a defined path, such as rules, procedures, or topics. Used as in 「議論が逸脱する」 or 「職務から逸脱する」. A word used in formal style.
AI-generated translation
N2
一端
いったん
A small portion within the whole of a matter. Used as in 「責任の一端を担う」 or 「真実の一端が明らかになる」 in scenes where one shows only a part rather than the whole.
AI-generated translation
N1
一致団結
いっちだんけつ
Many people uniting in spirit and joining forces toward the same goal. 「一致」 means that thoughts or opinions match exactly, and 「団結」 means that members of a group come together and bond closely; combining the two emphasizes the strength of that unity. It is used almost exclusively in the forms 「一致団結して」 and 「一致団結し」, as in 「住民が一致団結して反対運動を起こす」, and is rarely used on its own as a noun.
AI-generated translation
N1
一朝一夕
いっちょういっせき
A four-character compound expressing a brief time, a very short period. Often used in the form 「一朝一夕には成らない」 in contexts of saying that achieving something takes a long time. The typical pattern is to use it with negative expressions.
AI-generated translation
N1
逸品
いっぴん
A particularly outstanding item rarely seen even among many. Used as in 「天下の逸品」 or 「まさに逸品だ」 to praise items recognized as having high value, such as antiques, dishes, or works of art.
AI-generated translation
N1
一変
いっぺん
A state or appearance up to that point completely changing. Used as in 「態度が一変する」 or 「風景が一変した」 in scenes where before and after differ greatly within a short time. A formal written word.
AI-generated translation
N4
いつまでも
いつまでも
forever. A state of continuing on without end. Example: 「いつまでもわすれない」 (I will never forget, forever).
AI-generated translation
N1
逸話
いつわ
An interesting episode about a person that is not widely known in the world. Used as in 「有名な逸話」 or 「こんな逸話が残っている」, applied to short stories that convey an unexpected aspect of a person.
AI-generated translation
N1
遺伝
いでん
Characteristics and traits of the parents' bodies being passed on to their children and grandchildren. Used as in 「遺伝する」 or 「遺伝的な病気」, applied to the biological phenomenon of transmission from parent to child.
AI-generated translation
N1, N2
移転
いてん
To move one's home, office, or the like to another location; also, for a right or the like to be transferred to another party.
AI-generated translation
N2
営む
いとなむ
To carry on work or one's life continuously. In everyday life, one more often encounters the on-reading compound words 「営業」「経営」, which use the same kanji.
AI-generated translation
N2
挑む
いどむ
Confronting a difficult opponent or goal. Used in scenes of actively heading toward an object stronger than oneself, such as matches, records, or difficult problems, as in 「記録に挑む」 or 「強敵に挑む」. A word used in scenes where victory and defeat or success and failure are at stake.
AI-generated translation
N4
田舎
いなか
countryside. A quiet place away from a big city. Also used to mean the place where one was born.
AI-generated translation
N1
否む
いなむ
Denying and not acknowledging facts, demands, or proposals. Particularly often used in the form 「否めない」, expressing situations in which one cannot deny something even if one wanted to. A word used in formal style.
AI-generated translation
N4
祈る
いのる
pray. To ask a deity, etc., for a wish to come true. Also used to wish for someone's happiness or success, as in 「ごうかくを祈っています」 (praying for your success/passing).
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.