Translation guide
The English word "reformation" generally refers to the act or process of changing and improving something, especially an institution or practice. In Japanese, the most common equivalent is 改革 (kaikaku), but other words like 改善 (kaizen) and 矯正 (kyōsei) are used depending on the nuance. This guide helps you choose the right Japanese expression based on what is being reformed and the nature of the change.
To express a large-scale, fundamental change to a system, organization, or law, often with a connotation of progress or improvement.
The standard term for reform of systems, institutions, or policies. It implies a deliberate, often top-down change for the better. Commonly used in politics, business, and social contexts.
The government is promoting tax reform.
Refers to innovation or revolutionary reform, often implying a break from tradition. Used for technological, social, or political renewal.
Emphasizes a major change or transformation, often with a sense of upheaval. Used for social or historical shifts.
To express the idea of making something better through small, ongoing changes, often in processes, quality, or personal habits.
To express the idea of correcting wrong behavior, reforming a person's character, or rectifying a flaw.
To refer specifically to the 16th-century religious movement led by Martin Luther and others.
Educational reform is an urgent task.
技術革新が産業を変えた。
Technological innovation transformed the industry.
社会変革の時代が来た。
The era of social transformation has come.
The go-to word for improvement or betterment, especially in business, manufacturing, or personal development. It implies a continuous, step-by-step process rather than a one-time overhaul.
We are working on improving our business processes.
I want to improve my lifestyle habits.
Specifically refers to making improvements to a product, machine, or method, often through design changes or upgrades.
This software is constantly being improved.
Means correction or reform of a person's behavior, habits, or physical condition. Often used in contexts like criminal rehabilitation, correcting posture, or fixing teeth.
He devoted himself to the rehabilitation of criminals.
I started orthodontic treatment.
Refers to a change of heart or moral reformation, often with a religious or ethical connotation. It implies a sincere internal change.
He had a change of heart and became an honest person.
Means rehabilitation or rebirth, often used for ex-convicts or people recovering from a bad lifestyle. It emphasizes returning to society as a reformed person.
There is a program to support his rehabilitation.
The standard term for the Protestant Reformation. It literally means 'religious reform'.
The Reformation had a major impact on European history.
quality improvement
While 改革 can be used metaphorically for personal transformation (e.g., 自己改革), it sounds overly grand for everyday self-improvement. Use 改善 or other words like 向上 (こうじょう) instead.
improve one's skills