The main cause or factor behind a result or event. The character 「因」 means "cause" and refers to elements that influence an outcome. Used in expressions such as 「成功の要因」, 「失敗の要因を分析する」, or 「複数の要因が絡む」, the word frequently appears when multiple causes combine to produce an outcome. Compared to 「原因」, which refers to a single direct cause, this word carries an analytical nuance of identifying multiple contributing factors, and is used in written and analytical contexts.
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N5八日ようか
The 8th day of the month. Also, a period of 8 days.
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N2, N3様子ようす
The visible state or condition of something. Example: 「空の様子」 (the look of the sky), 「様子を見る」 (to see how things are/wait and see).
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N2要請ようせい
To strongly request something as being necessary.
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N2養成ようせい
To teach and train someone so that they acquire full-fledged ability or skill.
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N5洋服ようふく
Clothing in the style brought over from the West. Used with nearly the same meaning as ordinary 「服」 (clothes).
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N2要約ようやく
To sum up the main points of a piece of writing or speech briefly.
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N2, N5よくよく
often. A state of doing something many times. Also used to mean "skillfully," as in 「よくできました」 (well done).
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N3翌日よくじつ
The next day after a certain day. Example: 「翌日の朝」 (the morning of the next day). While 「明日」 refers to the day after today, 「翌日」 can also refer to the day after some other past or future day.
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N2予言よげん
Foretelling something that will happen in the future, or the content of such a foretelling. Used in expressions such as 「予言する」, 「予言者」, or 「予言が的中する」. Often used in fortune-telling, religious, or mystical contexts, referring to announcements about the future based on intuition, inspiration, or revelation rather than firm evidence. Scientific predictions of the future are expressed with 「予測」 or 「予報」, not 「予言」. Also used for predictions whose accuracy is not assured, as in 「世紀末の予言」 or 「ノストラダムスの予言」.
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N3予算よさん
budget. Money estimated in advance for a certain purpose. Example: 「予算を立てる」 (to draw up a budget).
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N3予想よそう
prediction. To think in advance about how something will turn out. Example: 「結果を予想する」 (to predict the result).
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N2余地よち
Room or possibility for doing or accepting something. Originally referred to physical "leftover space," but in modern Japanese the word is mainly used in an abstract sense meaning "the range of what can be allowed" or "room still available for something." Used in expressions such as 「議論の余地」, 「弁解の余地がない」, 「改善の余地」, or 「疑う余地もない」, and frequently appears in negative contexts in the form 「〜の余地がない」.
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N2予知よち
Sensing or knowing in advance that something will happen before it occurs. The character 「知」 means "to know," and the word is used for grasping future events through observation, reasoning, or supernatural ability. Used in both scientific and technical contexts such as 「地震予知」 (earthquake prediction) and supernatural contexts such as 「予知能力」 or 「予知夢」 (premonitory dream). While 「予言」 emphasizes the act of telling, 「予知」 emphasizes the act of knowing or perceiving.
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N5四日よっか
The 4th day of the month. Also, a period of 4 days.
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N5四つよっつ
four. The number 4 when counting things.
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N3夜中よなか
A late time at night. Example: 「夜中に目が覚める」 (to wake up in the middle of the night).
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N3世の中よのなか
The society in which people live. Example: 「世の中の動き」 (movements/trends in society).
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N2呼びかけよびかけ
To call out to many people and urge them to take a certain action.
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N2, N4, N5呼ぶよぶ
call. To say a person's name, etc., aloud to get their attention.
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N3予防よぼう
prevention. To take measures in advance so that illness or accidents, etc., do not occur. Example: 「風邪の予防」 (cold prevention).
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N2, N5読むよむ
read. To look at characters and grasp their meaning.
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N5夜よる
night. The time when the sun has set.
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N3, N5弱いよわい
A state where strength is small. The antonym is 「強い」 (strong).
This word has different meanings and uses at each level
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