変動する · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 変動する | 変動しない |
| Polite | 変動します | 変動しません |
| Past polite | 変動しました | 変動しませんでした |
| Past | 変動した | 変動しなかった |
| Te-form | 変動して | 変動しないで |
| Desire | 変動したい | 変動したくない |
| Potential | 変動できる | 変動できない |
| Passive | 変動される | 変動されない |
| Causative | 変動させる | 変動させない |
| Causative passive | 変動させられる | 変動させられない |
| Volitional | 変動しよう | |
| Polite volitional | 変動しましょう | |
| Imperative | 変動しろ | 変動するな |
| Conditional | 変動すれば | 変動しなければ |
| Tara conditional | 変動したら | 変動しなかったら |
noun, noun or participle which takes 'suru', intransitive verb
change; fluctuation; variation
Describes measurable or observable shifts in numbers, conditions, or states, often over time. Common in economic, scientific, and technical contexts.
為替レートの変動が輸出に影響を与えた。
Fluctuations in the exchange rate affected exports.
The temperature is fluctuating greatly.
The exchange rate fluctuated significantly.
Stock prices have been fluctuating wildly lately.
This industry is easily affected by fluctuations in oil prices.
変動 means fluctuating or changing over time, the opposite of the steady, unchanging state described by 一定.
variable cost
price fluctuation; price change