改修(かいしゅう)

かいしゅう
noun / suru verb
repair, renovation, refurbishment
1. repair, renovation, refurbishment
The act of repairing or renovating buildings, infrastructure, or facilities to restore or improve them.
橋(はし)の改修(かいしゅう)工事(こうじ)が始(はじ)まった。
Repair work on the bridge has begun.
古(ふる)い校舎(こうしゃ)を改修(かいしゅう)して使(つか)っている。
They are using the old school building after renovating it.
耐震(たいしん)改修(かいしゅう)を行(おこな)うために、一時的(いちじてき)に建物(たてもの)を閉鎖(へいさ)する。
The building will be temporarily closed for seismic reinforcement renovation.

USAGE:
Used as both a noun and a suru verb. Primarily refers to repairing or renovating physical structures such as buildings, roads, bridges, and facilities. Often appears in news about public works and infrastructure maintenance.

COMMON COLLOCATIONS:

  • 改修(かいしゅう)する: to repair, to renovate
  • 改修(かいしゅう)工事(こうじ): renovation work, repair work
  • 耐震(たいしん)改修(かいしゅう): seismic retrofitting
  • 大規模(だいきぼ)改修(かいしゅう): large-scale renovation

HOMOPHONE NOTE:
Not to be confused with 回収(かいしゅう) (collection, retrieval), which is a different word with the same reading.

Related Words

Homophone: 回収(かいしゅう) (collection, retrieval)
general
Added 2026.2.23 7:58
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