Common word› JLPT N1 › Freq. Frequency Top 10,000 Conjugation 改修する · noun or participle which takes 'suru'
Form Positive Negative Dictionary 改かい 修しゅう する 改かい 修しゅう しない Polite 改かい 修しゅう します 改かい 修しゅう しません Past polite 改かい 修しゅう しました 改かい 修しゅう しませんでした Past 改かい 修しゅう した 改かい 修しゅう しなかった Te-form 改かい 修しゅう して 改かい 修しゅう しないで Desire 改かい 修しゅう したい 改かい 修しゅう したくない Potential 改かい 修しゅう できる 改かい 修しゅう できない Passive 改かい 修しゅう される 改かい 修しゅう されない Causative 改かい 修しゅう させる 改かい 修しゅう させない Causative passive 改かい 修しゅう させられる 改かい 修しゅう させられない Volitional 改かい 修しゅう しよう Polite volitional 改かい 修しゅう しましょう Imperative 改かい 修しゅう しろ 改かい 修しゅう するな Conditional 改かい 修しゅう すれば 改かい 修しゅう しなければ Tara conditional 改かい 修しゅう したら 改かい 修しゅう しなかったら
Usage patterns 〈 場ば 所しょ 〉 を 改かい 修しゅう する to renovate/repair a place (building, road, etc.)
The city renovated the aging bridge.
〈 物もの 〉 の 改かい 修しゅう が 必ひつ 要よう だ renovation of X is necessary
This building urgently needs renovation.
改かい 修しゅう を 行おこな う to carry out a renovation/repair project
The government plans to carry out road repairs.
Kanji 改 reformation, change, modify 修 discipline, conduct oneself well, study Related words· 7 修理 is general repair or mending of a broken item (machines, appliances, etc.), while 改修 refers to larger-scale renovation or upgrading, often of infrastructure or systems.
修繕 usually means fixing wear or damage on buildings or objects to restore them, whereas 改修 often involves planned improvement, not just restoring the original state.
改装 focuses on remodeling or redecorating the appearance or interior of a place, while 改修 emphasizes structural repair or functional upgrading.
改善 focuses on abstract improvement (efficiency, processes, conditions), whereas 改修 involves physical or structural repair and upgrading.
Show 3 more Show fewer 改修 refers to repairing or upgrading facilities or systems with a maintenance nuance, whereas 改造 emphasizes transforming something into a different form or use.
改修 typically refers to repairing or restoring infrastructure like roads or buildings, whereas リニューアル often adds a sense of modernisation or improved appeal, not just repair.
改修 implies larger-scale renovation or structural repair, while 営繕 also covers routine, smaller maintenance tasks.
Counted with 改修 projects are typically counted with 件 as individual cases or matters, e.g. 改修工事を 3件行った .
改修 can also be counted with 回 when referring to the number of times a renovation has been carried out.
Etymology Compound of 改 (reform, change) and 修 (repair, discipline). The combination conveys systematic repair with improvement.
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