介す · godan verb (-su)
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 介す | 介さない |
| Polite | 介します | 介しません |
| Past polite | 介しました | 介しませんでした |
| Past | 介した | 介さなかった |
| Te-form | 介して | 介さないで |
| Desire | 介したい | 介したくない |
| Potential | 介せる | 介せない |
| Passive | 介される | 介されない |
| Causative | 介させる | 介させない |
| Causative passive | 介させられる | 介させられない |
| Volitional | 介そう | |
| Polite volitional | 介しましょう | |
| Imperative | 介せ | 介すな |
| Conditional | 介せば | 介さなければ |
| Tara conditional | 介したら | 介さなかったら |
godan verb (-su), suru verb (precursor), transitive verb
use as an intermediary; mediate; assist
Used when someone or something serves as a go-between or facilitator. Often appears in the pattern ～を介して (through, via). The verb form 介す is somewhat literary; in modern Japanese 介する is more common.
See also: 介する
He obtained the information through a friend.
This problem was resolved through a third party.
godan verb (-su), suru verb (precursor), transitive verb
Rare and somewhat archaic; expresses concern or caring about something. In modern Japanese, 気にする or 心配する are far more common. This sense is mostly encountered in older texts.
See also: 介する
In old novels, you can find the expression 'to mind what others think'.