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更改 (こうかい) Japanese meaning | Kotomora
Common word Freq. Frequency Top 100,000 Conjugation Meanings 1
noun, noun or participle which takes 'suru', transitive verb
renewal ; revision ; update
Primarily used in formal, business, or legal contexts for renewing contracts, revising systems, or updating records. Often implies a deliberate, official change rather than a casual refresh.
システム を 更こう 改かい し て 、 セキュリティ を 強きょう 化か し た 。
We revised the system and strengthened security.
Kanji 更 grow late, night watch, sit up late 改 reformation, change, modify Similar words 更こう 新しん 更新 is a more general term for updating or renewing (software, records, subscriptions), while 更改 is more formal and often used for contracts, legal documents, or large-scale system overhauls.
延えん 長ちょう 延長 means extension (of time, length), whereas 更改 implies a renewal that may involve revised terms, not just a simple continuation.
Etymology Compound of 更 (change, renew) and 改 (reform, revise). The combination emphasizes a formal, thorough renewal or revision.
