投じる · ichidan verb
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 投じる | 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 投じれる | 投じられないalso 投じれない |
| Passive | 投じられる | 投じられない |
| 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 | 投じるな |
| Conditional | 投じれば | 投じなければ |
| Tara conditional | 投じたら | 投じなかったら |
ichidan verb, transitive verb
throw; cast a vote; cast light or shadow
A formal or written verb for physically throwing something, and very common in set abstract collocations such as 票を投じる, 光を投じる, and 影を投じる.
The voter cast a ballot at the polling place.
The setting sun was casting a long shadow on the wall.
ichidan verb, transitive verb
devote oneself; throw oneself into a cause
Used in the fixed construction 身を投じる, usually with に for the field, cause, movement, or activity one devotes oneself to.
See also: 身を投じる
She devoted herself to the environmental protection movement from a young age.
ichidan verb, transitive verb
invest; put resources into
Used for putting money, time, labor, or other resources into a project or purpose; common in business, political, and news writing.
The company invested ten billion yen in building the new factory.
He put a great deal of time and effort into the research.
ichidan verb, transitive verb
administer medicine; give a drug
Medical or formal written use with 薬 or a specific drug as the object. In ordinary modern medical wording, 投与する is often more direct.
The doctor administered a new medicine to the patient.
ichidan verb, intransitive verb
surrender; submit; abandon resistance
Rare and hard expression, mostly in fixed phrases such as 軍門に投じる, meaning to surrender or submit oneself to the enemy or victor.
軍門に投じる is a stiff expression meaning to surrender to the enemy.
ichidan verb, intransitive verb
take advantage of; make full use of
Rare or literary in modern Japanese, especially in the construction 機に投じる or 機に投じて, meaning to seize or make use of an opportunity. Modern Japanese more often uses 機に乗じる or 機会を利用する.
In older writing, 機に投じて can mean making use of a good opportunity.
ichidan verb, intransitive verb
fit well with; match; be in tune with
Rare and literary, especially in the phrase 意に投じる, meaning to suit someone's tastes, intentions, or feelings.
意に投じる is a stiff expression meaning to suit someone's tastes or feelings.
ichidan verb, intransitive verb
stay at a lodging; put up for the night
Old-fashioned literary use, mainly in the construction 宿に投じる. Modern Japanese normally says 宿に泊まる or 宿を取る.
In travel writing and similar prose, 宿に投じる can be used to mean staying at an inn.
The traveler put up for the night at a mountain inn.
He cast his vote for an independent candidate.
The company poured a large amount of funds into the new business.
The doctor administered a new drug to the patient.
The defeated general surrendered to the enemy.
He seized this opportunity to expand his business.
The proposal suited his boss's tastes.
This discovery shed light on the new theory.