再建|さいけんsaiken[0]heiban (flat)
This browser can't play pronunciations (needs Safari 18.4 or later, or Chrome / Edge / Firefox).
- noun, suru verb, transitive verbrebuilding; reconstruction; rehabilitation
- noun, suru verb, transitive verb, linguisticsprotoform reconstruction
Conjugation
| Dictionary form | 再建する(さいけんする) |
|---|---|
| Polite (masu) | 再建します(さいけんします) |
| Negative (nai) | 再建しない(さいけんしない) |
| polite (masen) | 再建しません(さいけんしません) |
| classical zu / nu | 再建せず・再建せぬ(さいけんせず・さいけんせぬ) |
| Past (ta) | 再建した(さいけんした) |
| polite (mashita) | 再建しました(さいけんしました) |
| Past negative (nakatta) | 再建しなかった(さいけんしなかった) |
| polite (masen deshita) | 再建しませんでした(さいけんしませんでした) |
| Te form | 再建して(さいけんして) |
| Potential | 再建できる(さいけんできる) |
| Passive | 再建される(さいけんされる) |
| Causative | 再建させる(さいけんさせる) |
| Causative passive | 再建させられる(さいけんさせられる) |
| Conditional (ba) | 再建すれば(さいけんすれば) |
| tara | 再建したら(さいけんしたら) |
| Volitional | 再建しよう(さいけんしよう) |
| polite (mashou) | 再建しましょう(さいけんしましょう) |
| Imperative | 再建しろ(さいけんしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym建て直すたてなおすNeutralA verb for rebuilding a structure, as in 「家を建て直す」; 「再建」 is a noun with a formal lean that also covers restructuring organizations and companies.
- Synonym再構築さいこうちくNeutralUsed for rebuilding systems or relationships, as in 「関係の再構築」; 「再建」 is about buildings and business management.
- Synonym建て替えるたてかえるNeutralMeans tearing down an old house and building a new one, as in 「家を建て替える」; 「再建」 also covers turning a business around.
- Related作り直すつくりなおすNeutralMeans doing something over again, mostly for crafts and documents; 「再建」 is about buildings and organizations.
- Related作り変えるつくりかえるNeutralMeans remodeling or reworking something into a different form; 「再建」 is re-establishing a ruined building or a struggling organization.
- Related再構成さいこうせいWrittenWritten/formal prose for recombining or reorganizing parts; 「再建」 is about rebuilding buildings and organizations.
- Antonym破壊はかいNeutralThe opposite of 「再建」 on the building-versus-destroying axis; it means destruction.
- Antonym解体かいたいNeutralAlso opposite to 「再建」 in building versus destroying; it means demolition, dismantling, or dissolving an organization.
Use 「再建」 for rebuilding buildings or restoring a company's finances. For a colloquial verb, 「建て直す」; tearing down an old house to build new, 「建て替える」; rebuilding systems or relationships, 「再構築」. Antonyms: 「破壊」, 「解体」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


