維持する · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 維持する | 維持しない |
| Polite | 維持します | 維持しません |
| Past polite | 維持しました | 維持しませんでした |
| Past | 維持した | 維持しなかった |
| Te-form | 維持して | 維持しないで |
| Desire | 維持したい | 維持したくない |
| Potential | 維持できる | 維持できない |
| Passive | 維持される | 維持されない |
| Causative | 維持させる | 維持させない |
| Causative passive | 維持させられる | 維持させられない |
| Volitional | 維持しよう | |
| Polite volitional | 維持しましょう | |
| Imperative | 維持しろ | 維持するな |
| Conditional | 維持すれば | 維持しなければ |
| Tara conditional | 維持したら | 維持しなかったら |
noun, noun or participle which takes 'suru', transitive verb
maintenance; preservation; keeping up
Used for actively keeping something in its current state, such as systems, health, peace, or standards. The gloss 'improvement' is a contextual extension when maintaining requires ongoing effort, but the core meaning is sustaining an existing condition.
I exercise every day to maintain my health.
Maintaining this system costs a lot of money.
I exercise every day to maintain my health.
The two countries are working to maintain peace.
The company became unable to keep the business going.
維持 implies active effort to keep something in a certain condition, whereas 持続 describes the state itself continuing without necessarily implying effort.
維持 means actively maintaining a state or condition through effort, while 温存 focuses on leaving something untouched or unused rather than working to sustain it.
維持 emphasizes keeping an existing condition unchanged, while 継続 emphasizes carrying an activity or process forward in time.
維持 means keeping something in its current state without change, while 整備 can also mean actively improving or setting up a system.
維持 emphasizes keeping something in an existing state (including abstract things like health or relationships), while メンテナンス focuses on active servicing or upkeep work.
維持 means keeping a state or condition going as it is, often day-to-day, while 保全 has a more formal, protective nuance often used for systems, environments, or legal rights.
maintenance of public order; security maintenance
maintaining the status quo