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  1. Home /
  2. Dictionaries /
  3. 和英辞典 /
  4. 改善

改善

kaizen

What does "改善" mean in English?

improvement

この製品の品質を改善する必要があります

We need to improve the quality of this product


How to use "改善" correctly: definitions and examples in English?

general

The act of making something better or improving a situation

環境問題を改善するために努力している

We are working to improve environmental issues

このソフトウェアのパフォーマンスを改善する

To improve the performance of this software

Often used in business, technology, and social contexts to describe positive changes

Collocations

改善するto improve改善策improvement measures改善点points for improvement

Synonyms

改良向上進歩

Antonyms

悪化退化低下

Related Phrases

改善するphrase
to improve
改善策phrase
improvement measures
改善点phrase
points for improvement

Pro Tip

Common Usage

改善 is often used with the verb する (to do) as in 改善する (to improve).

Gold Rule

Formal vs. Informal

While 改善 is neutral, it can be used in both formal and informal contexts.

Word Origin

From 改 (kai, meaning 'change') + 善 (zen, meaning 'good'). Literally 'change to good'

Usage Notes

Commonly used in both formal and informal contexts. Often paired with verbs like 'する' (to do) or nouns like '策' (measures) or '点' (points).

Word Breakdown

改
change
root
+
善
good
root
和英辞典
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