独り決めする · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 独り決めする | 独り決めしない |
| Polite | 独り決めします | 独り決めしません |
| Past polite | 独り決めしました | 独り決めしませんでした |
| Past | 独り決めした | 独り決めしなかった |
| Te-form | 独り決めして | 独り決めしないで |
| Desire | 独り決めしたい | 独り決めしたくない |
| Potential | 独り決めできる | 独り決めできない |
| Passive | 独り決めされる | 独り決めされない |
| Causative | 独り決めさせる | 独り決めさせない |
| Causative passive | 独り決めさせられる | 独り決めさせられない |
| Volitional | 独り決めしよう | |
| Polite volitional | 独り決めしましょう | |
| Imperative | 独り決めしろ | 独り決めするな |
| Conditional | 独り決めすれば | 独り決めしなければ |
| Tara conditional | 独り決めしたら | 独り決めしなかったら |
noun, noun or participle which takes 'suru', intransitive verb
deciding by oneself; arbitrary decision
Refers to making a decision alone without consulting others, often with a negative nuance of being self-centered or arbitrary.
He always pushes things forward by deciding on his own.
Please don't decide such an important matter by yourself.
noun, noun or participle which takes 'suru', intransitive verb
taking for granted; assuming
Used when someone unilaterally assumes something without confirmation, often leading to misunderstanding. Common in the phrase 独り決めする (to jump to a conclusion).
I waited, taking it for granted that she would come.
You must not assume success.