待たす · godan verb (-su)
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 待たす | 待たさない |
| Polite | 待たします | 待たしません |
| Past polite | 待たしました | 待たしませんでした |
| Past | 待たした | 待たさなかった |
| Te-form | 待たして | 待たさないで |
| Desire | 待たしたい | 待たしたくない |
| Potential | 待たせる | 待たせない |
| Passive | 待たされる | 待たされない |
| Causative | 待たさせる | 待たさせない |
| Causative passive | 待たさせられる | 待たさせられない |
| Volitional | 待たそう | |
| Polite volitional | 待たしましょう | |
| Imperative | 待たせ | 待たすな |
| Conditional | 待たせば | 待たさなければ |
| Tara conditional | 待たしたら | 待たさなかったら |
godan verb (-su), transitive verb
keep waiting; make wait
Transitive verb meaning to cause someone to wait. Often used when the speaker or subject is responsible for the delay. Compare with 待たせる, which is more common in standard Japanese; 待たす is a slightly more casual or dialectal variant.
See also: 待たせる (またせる)
I ended up making my friend wait for 30 minutes.
Don't keep the customers waiting too long.
Something urgent came up, and I ended up keeping my friend waiting for thirty minutes.