「酷」 means cruel or severe, and 「使」 means to use; together they mean to use harshly. It refers to continuously using a person or thing intensely beyond reasonable limits. Used in expressions like 「目を酷使する」 or 「労働者を酷使する」, in situations of imposing excessive burden.
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N1告訴こくそ
It refers to the victim of a crime requesting the prosecutor or police to punish the perpetrator. Used in expressions like 「告訴する」 or 「告訴を取り下げる」, it is a word used as a legal procedure.
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N1孤軍こぐん
「孤」 means alone and 「軍」 means army; the original meaning refers to a single unit left isolated without support from allies. From this, the word came to describe a unit or individual fighting in isolation. It is a formal term that expresses facing difficulty alone, used almost exclusively as a set phrase such as 「孤軍奮闘する」.
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N5ここここ
A word referring to a place close to the speaker.
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N5午後ごご
afternoon. The time from noon until night. The antonym is 「午前」 (morning/before noon).
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N1孤高ここう
「孤」 means alone, and 「高」 means a lofty state; together they mean maintaining a lofty state by oneself. It refers to keeping high ideals or position alone, without conforming to others. Used in expressions like 「孤高の人」 or 「孤高を保つ」, it is a somewhat archaic and formal word expressing independent nobility.
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N5九日ここのか
The 9th day of the month. Also, a period of 9 days. Read as "ここのか."
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N5九つここのつ
nine. The number 9 when counting things.
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N4心こころ
heart. The thing inside a person that feels happiness, sadness, etc. Also used to mean a way of thinking, as in 「心がひろい」 (broad-minded).
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N1固執こしつ
「固」 means firmly, and 「執」 means to grasp or cling; together they mean to cling firmly. It refers to stubbornly not changing one's opinion or thoughts. Used in expressions like 「自説に固執する」 or 「過去に固執する」, in contexts that critically describe a lack of flexibility.
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N1こじつけこじつけ
It refers to forcibly connecting things that originally have no relation by attaching some reasoning. Used in expressions like 「こじつけにすぎない」 or 「こじつけの解釈」, it is a noun used in situations of criticizing forced association.
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N4故障こしょう
For a machine or tool to break and stop working. Example: 「くるまが故障する」 (a car breaks down).
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N1, N2擦るこする
To press something firmly against the surface of an object and move it. A different action from 「摩る」 (to stroke gently) or 「刷る」 (to print), which are also read 「する」.
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N5午前ごぜん
The time from morning until noon. The antonym is 「午後」 (afternoon).
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N1誇大こだい
「誇」 means to boast, and 「大」 means large; together they mean to make something appear larger by boasting. It refers to saying or showing something as larger than it actually is. Used in expressions like 「誇大広告」 or 「誇大に表現する」, in contexts that criticize expressions inflated beyond reality.
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N1誇大妄想こだいもうそう
「誇大」 means exaggerated and inflated, and 「妄想」 means imagining without basis in fact; together they mean imagining oneself as larger than one really is. It refers to thinking of one's ability or position as far greater than reality, divorced from facts. Used in expressions like 「誇大妄想に陥る」, it is a four-character idiom used to criticize excessive self-evaluation.
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N5答えるこたえる
answer. To respond to a question or problem with words or a sentence. Example: 「質問に答える」 (to answer a question).
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N5こちらこちら
A polite way of saying 「ここ」. Also used to refer to a person, as in 「こちらは田中さんです」.
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N1滑稽こっけい
To be so absurd that it is funny enough to make one laugh without meaning to.
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N5こっちこっち
A casual way of saying 「こちら」. Used in spoken language.
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N5事こと
A word referring to a matter, or the content of a talk. Example: 「話す事」 (something to talk about), 「大事な事」 (an important matter). Very often written in hiragana as 「こと」.
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N5今年ことし
This year. Read as 「ことし」, not read according to the characters as written.
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N5言葉ことば
Something people use to convey feelings or thoughts through speaking or writing. Also used to mean a specific language, as in 「国のことば」 (the language of a country), such as Japanese or English.
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N3, N5子供こども
child. A young person. The opposite of an adult. Also used to mean one's own son or daughter. Often written as 「子ども」.
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N4小鳥ことり
small bird. A small bird, such as a sparrow.
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N5このこの
A word referring to something close to the speaker. Used before a noun, as in 「この本」 (this book).
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N4この間このあいだ
A certain time a little while ago. Example: 「この間、えきで先生に会った」 (I met the teacher at the station the other day).
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N4この頃このごろ
A recent period, close to now. Example: 「この頃、さむくなった」 (it has gotten cold lately).
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N1拒むこばむ
It refers to clearly not accepting another's proposal or demand. Used in expressions like 「面会を拒む」 or 「協力を拒む」, it is a somewhat formal verb used in situations of refusing with strong intent.
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N5御飯ごはん
Cooked rice. Also used to mean a meal, as in 「朝御飯」 (breakfast), 「御飯を食べる」 (to eat a meal). Usually written 「ご飯」 or 「ごはん」.
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N4細かいこまかい
A state where the size or amount of something is small. Also used to mean small denominations of money, as in 「細かいおかね」 (small change).
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N5困るこまる
To not know what to do because of something unpleasant or difficult. Example: 「お金がなくて困る」 (troubled by not having money).
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N4ごみごみ
trash. Something no longer needed that is thrown away.
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N4込むこむ
For there to be many people or vehicles, becoming crowded. Example: 「でんしゃが込む」 (the train gets crowded).
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N4, N5米こめ
rice. White grains grown in a paddy field, used as food. Usually cooked by boiling.
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N1凝らすこらす
It refers to gathering one's mind or ingenuity to one point and putting it to work. Used in expressions like 「目を凝らす」 or 「趣向を凝らす」, it is a verb used in situations of strongly concentrating one's consciousness or creativity.
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N5これこれ
A word referring to something close to the speaker. Example: 「これは何ですか」 (what is this?).
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N4壊すこわす
To hit or drop something so it can no longer be used. Example: 「おもちゃを壊す」 (to break a toy). When it breaks on its own, 「壊れる」 is used.
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N4壊れるこわれる
For something to break and become unusable. Example: 「パソコンが壊れる」 (a computer breaks).
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N1根幹こんかん
「根」 means root, and 「幹」 means trunk; together they refer to the root and trunk of a tree, that is, the center supporting things. It refers to the most central and important part of a matter. Used in expressions like 「制度の根幹」 or 「根幹に関わる」, it is a formal word for the foundation of an organization or system.
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N1権化ごんげ
A word referring to something that embodies a particular quality or spirit in tangible form. Used metaphorically as in「悪の権化」「執念の権化」to describe an entity that extremely embodies a certain trait.
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N5今月こんげつ
This month.
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N1根源こんげん
「根」 means root, and 「源」 means the source of a river; the word combines two synonymous characters, both indicating the starting point of something. It refers to the great source from which things arise. Used in expressions like 「根源を探る」 or 「悪の根源」, it is a formal word for the cause lying at the deepest part of something.
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N5今週こんしゅう
This week.
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N1昏睡こんすい
「昏」 means dark, that is, consciousness growing dim, and 「睡」 means to sleep; together they mean losing consciousness as if in deep sleep. It refers to a state of being unconscious and unresponsive even when called. It is a word used in medical contexts for situations of serious illness or accident, as in 「昏睡状態」 or 「昏睡に陥る」.
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N1痕跡こんせき
「痕」 and 「跡」 are both characters meaning a trace; the word combines two synonymous characters. It refers to a trace left behind showing that something once existed. Used in expressions like 「痕跡が残る」 or 「痕跡をたどる」, it is a formal word used in investigative or tracking contexts.
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N1根絶こんぜつ
「根」 means root, and 「絶」 means to cut off; together they express completely eliminating something, like pulling out weeds from the root. Used in expressions like 「犯罪を根絶する」 or 「根絶を目指す」, it is a formal word used in contexts of completely removing harm or disease.
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N1根底こんてい
「根」 means root, and 「底」 means bottom; together they mean the bottom of the root, that is, the deepest part of a matter. It refers to the unseen foundation or premise that lies at the very bottom of something. Used in expressions like 「根底にある」 or 「根底から覆す」, it is a formal word for what lies at the deepest part of one's thought or values.
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N1昏倒こんとう
「昏」 means dark, that is, consciousness growing dim, and 「倒」 means to fall; together they mean to lose consciousness and fall. It refers to losing consciousness and collapsing on the spot. Used in expressions like 「昏倒する」 or 「路上で昏倒した」 in medical or incident contexts, it is a formal word.
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N1混沌こんとん
「混」 means to mix, and 「沌」 means a primordial undivided state; the word originally referred to the chaotic state before heaven and earth separated in Chinese mythology. It refers to a state in which things are confused and order or distinction is unclear. Used in expressions like 「混沌とした状況」 or 「混沌に陥る」, it is a formal word for the state of society, politics, or a place.
This word has different meanings and uses at each level
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