欠かす · godan verb (-su)
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 欠かす | 欠かさない |
| Polite | 欠かします | 欠かしません |
| Past polite | 欠かしました | 欠かしませんでした |
| Past | 欠かした | 欠かさなかった |
| Te-form | 欠かして | 欠かさないで |
| Desire | 欠かしたい | 欠かしたくない |
| Potential | 欠かせる | 欠かせない |
| Passive | 欠かされる | 欠かされない |
| Causative | 欠かさせる | 欠かさせない |
| Causative passive | 欠かさせられる | 欠かさせられない |
| Volitional | 欠かそう | |
| Polite volitional | 欠かしましょう | |
| Imperative | 欠かせ | 欠かすな |
| Conditional | 欠かせば | 欠かさなければ |
| Tara conditional | 欠かしたら | 欠かさなかったら |
godan verb (-su), transitive verb
miss doing; fail to do
Almost always used in the negative form 欠かさない, meaning 'never fail to do' or 'do without fail'. Describes a habitual action that one always performs.
He never misses his morning jog.
My grandmother writes in her diary every day without fail.
godan verb (-su), transitive verb
do without; go without
Used in the negative form 欠かせない to mean 'indispensable' or 'cannot do without'. The positive form is rare.
See also: 欠かせない
Water is indispensable for life.
Experience is essential for this job.
He never fails to do his daily exercise.
I write in my diary without missing even a single day.
Water is indispensable to our lives.