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How to Say ‘To improve (something)’ in Japanese

改善する

kaizen suru

[kah-zen soo-roo]

💬 Usage Tip: [改善する] means “to improve” (often a process/system). For self-improvement, it’s common: [弱みを改善する].

🇯🇵 In Japan: Japanese companies love “continuous improvement” thinking. Words like [改善] can feel very corporate and positively received.

Phrase Breakdown

改善

kaizen

[kah-zen]

improvement; reform

Noun meaning 'improvement'. In interviews, it often appears in phrases about addressing weaknesses.

Example

弱みの改善に取り組んでいます。

I am working on improving my weakness.

する

suru

[soo-roo]

to do (verb)

Combines with nouns to make verbs (改善する = to improve). Very common in business Japanese.

Example

毎日練習して改善するようにしています。

I practice every day to try to improve.

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