Common word› JLPT N1 › Freq. Frequency Top 10,000 Conjugation 重複する · noun or participle which takes 'suru'
Form Positive Negative Dictionary 重ちょう 複ふく する 重ちょう 複ふく しない Polite 重ちょう 複ふく します 重ちょう 複ふく しません Past polite 重ちょう 複ふく しました 重ちょう 複ふく しませんでした Past 重ちょう 複ふく した 重ちょう 複ふく しなかった Te-form 重ちょう 複ふく して 重ちょう 複ふく しないで Desire 重ちょう 複ふく したい 重ちょう 複ふく したくない Potential 重ちょう 複ふく できる 重ちょう 複ふく できない Passive 重ちょう 複ふく される 重ちょう 複ふく されない Causative 重ちょう 複ふく させる 重ちょう 複ふく させない Causative passive 重ちょう 複ふく させられる 重ちょう 複ふく させられない Volitional 重ちょう 複ふく しよう Polite volitional 重ちょう 複ふく しましょう Imperative 重ちょう 複ふく しろ 重ちょう 複ふく するな Conditional 重ちょう 複ふく すれば 重ちょう 複ふく しなければ Tara conditional 重ちょう 複ふく したら 重ちょう 複ふく しなかったら
Usage patterns 〈 物もの 〉 が 重ちょう 複ふく する for something (data, entries, tasks) to overlap or be duplicated
The same data has been duplicated.
重ちょう 複ふく を 避さ ける to avoid duplication or overlap
We shared the schedule to avoid duplication of work.
重ちょう 複ふく をチェックする to check for duplicates
Please check the list for duplicates before submitting.
重ちょう 複ふく が 生しょう じる for duplication/overlap to arise
Duplication arose in part of the procedure.
Kanji 重 heavy, important, esteem 複 duplicate, double, compound Related words· 6 繰り返し is a general word for repetition, often intentional or cyclical, while 重複 emphasizes unwanted or unnecessary overlap.
ダブり is a casual, colloquial term for duplication or overlap, while 重複 is the more formal, written word used in official or technical contexts.
重なり is a plain descriptive noun for things physically or temporally overlapping, while 重複 is used more for abstract redundancy in data, text, or duties.
オーバーラップ is a borrowed word often used in casual or technical speech for overlap, while 重複 is the native Sino-Japanese term preferred in formal writing.
Show 2 more Show fewer 重複する is the formal, written word for duplication or overlap, while ダブる is the casual spoken verb for the same idea.
重複する is used for abstract duplication or redundancy (e.g. data, schedules), while 重なり合う more often describes physical or event overlap happening mutually.
Don't confuse with 反復 means repeating an action deliberately (e.g. practice), whereas 重複 means an unintended overlap or duplication of items or information.
重複 (using the same 重 kanji) means 'duplication/overlap' of things that should be single, while 多重 describes a system deliberately built with many layers or channels.
Counted with For matters, cases, and incidents — requests, accidents, inquiries (お問い合わせ 1件 ).
重複 is often counted with 箇所 when referring to the specific spots or passages where overlap occurs, as in データの重複が三箇所見つかった .
Word family double insurance; overlapping insurance
superinfection · coinfection
gene duplication
dual candidacy; simultaneous candidacy in single-seat and proportional representation districts
duplicated gene
Etymology Compound of 重 (heavy, pile up, repeat) and 複 (duplicate, compound). The reading ちょうふく is the standard Sino-Japanese reading; じゅうふく is a common variant.
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