繁用する · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 繁用する | 繁用しない |
| Polite | 繁用します | 繁用しません |
| Past polite | 繁用しました | 繁用しませんでした |
| Past | 繁用した | 繁用しなかった |
| Te-form | 繁用して | 繁用しないで |
| Desire | 繁用したい | 繁用したくない |
| Potential | 繁用できる | 繁用できない |
| Passive | 繁用される | 繁用されない |
| Causative | 繁用させる | 繁用させない |
| Causative passive | 繁用させられる | 繁用させられない |
| Volitional | 繁用しよう | |
| Polite volitional | 繁用しましょう | |
| Imperative | 繁用しろ | 繁用するな |
| Conditional | 繁用すれば | 繁用しなければ |
| Tara conditional | 繁用したら | 繁用しなかったら |
busyness; being busy
Describes a state of being busy or having many things to do. Often used in formal or written contexts.
Due to busyness at the end of the year, my reply was delayed.
noun, noun or participle which takes 'suru', transitive verb
frequent use; heavy use
Refers to using something often or heavily. Can be used as a noun or with する to mean 'to use frequently'.
I use this app frequently.
The battery drains quickly due to heavy use.