投ずる · zuru verb
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 投ずる | 投じない |
| Polite | 投じます | 投じません |
| Past polite | 投じました | 投じませんでした |
| Past | 投じた | 投じなかった |
| Te-form | 投じて | 投じないで |
| Desire | 投じたい | 投じたくない |
| Potential | 投じられるalso formal 投ぜられる | 投じられないalso formal 投ぜられない |
| Passive | 投じられるalso formal 投ぜられる | 投じられないalso formal 投ぜられない |
| Causative | 投じさせる | 投じさせない |
| Causative passive | 投じさせられる | 投じさせられない |
| Volitional | 投じよう | |
| Polite volitional | 投じましょう | |
| Imperative | 投じろalso written 投ぜよ | 投ずるな |
| Conditional | 投じればalso 投ずれば | 投じなければ |
| Tara conditional | 投じたら | 投じなかったら |
He cast an important vote at the meeting.
zuru verb, transitive verb
devote oneself; throw oneself into
Used in the fixed expression 身を投ずる, meaning to dedicate oneself to a cause or activity.
He devoted himself to educational reform.
zuru verb, transitive verb
Used for investing money, effort, or resources. Often seen in financial or abstract contexts.
He invested all his fortune in that enterprise.
zuru verb, transitive verb
Typically used in medical contexts for administering drugs or treatment.
The doctor administered a new drug to the patient.
zuru verb, intransitive verb
Intransitive use meaning to give oneself up or yield, often in a competitive or conflict context.
The enemy forces finally surrendered.
zuru verb, intransitive verb
take advantage of; make full use of
Intransitive use with に, meaning to seize an opportunity or exploit a situation.
He took advantage of the opportunity and succeeded at once.
zuru verb, intransitive verb
fit well with; match with; be in tune with
Intransitive use with に, indicating harmony or compatibility. Rare and somewhat literary.
The tune matched his mood.
zuru verb, intransitive verb
Intransitive use meaning to put up at an inn or lodging. Rare and somewhat archaic.
The traveler stayed at that inn.
The voter cast a ballot in the election.
That remark cast doubt in many people's minds.
He invested a large amount of capital in the new business.
The doctor administered medicine to the patient.
The enemy army finally surrendered.
He seized that opportunity to expand his business.