Japanese word

改良

Pronunciation

Romajikairyō

Meaning

  • nounimprovement

Example

この機械には改良が必要です。ko no ki kai ni wa kai ryō ga hitsu yō de su

This machine needs improvement.

Illustration for 改良 (improvement)

More examples

利用者の意見を反映した改良が求められています。ri yō sha no i ken o han ei shi ta kai ryō ga moto me ra re te i ma su

Improvements that reflect users' opinions are being requested.

Core concept

It refers to making an existing object, system, or method better rather than creating something entirely new.

Common phrases

  • 改良を重ねるkai ryō o kasa ne ru

    make continual improvements

  • 大幅な改良ō haba na kai ryō

    major improvement

  • 改良の余地kai ryō no yo chi

    room for improvement

Similar words

改善kaizen: The act of making a condition, situation, or process better.
改修kaishū: The act of repairing or modifying an existing structure, system, or piece of equipment.
改造kaizō: The act of changing an existing object or system, often to give it a different function.

Definition in Japanese

既にある物や方法などを改めて、以前よりよいものにすること。sude ni a ru mono ya hō hō na do o arata me te i zen yo ri yo i mo no ni su ru ko to

Word origin

改良 (kairyō, "improvement") joins 改 (kai, "revise") with 良 (ryō, "good"), expressing the idea of revising an existing thing to improve it.

Usage tips

  • In Japanese manufacturing, 改良 (kairyō) often refers to a concrete upgrade to a product or machine, while kaizen usually emphasizes ongoing small improvements in a process.

Other meanings

  • reformnoun

Opposites

Related words

  • 改良するkairyōsuruimproveverb

Word lists with this word