投(とう)じる

とうじる
verb (ichidan)
to throw in; to invest; to cast (a vote)
他動詞 transitiveformalactionpoliticsbusiness
Conjugation
AffirmativeNegative
Present投(とう)じる投(とう)じない
Present polite投(とう)じます投(とう)じません
Past投(とう)じた投(とう)じなかった
Past polite投(とう)じました投(とう)じませんでした
て form投(とう)じて投(とう)じなくて
ている present投(とう)じている投(とう)じていない
ている polite投(とう)じています投(とう)じていません
ている past投(とう)じていた投(とう)じていなかった
ている past polite投(とう)じていました投(とう)じていませんでした
Conditional ば投(とう)じれば投(とう)じなければ
Conditional たら投(とう)じたら投(とう)じなかったら
Volitional投(とう)じよう—
Volitional polite投(とう)じましょう—
Potential投(とう)じられる投(とう)じられない
Passive投(とう)じられる投(とう)じられない
Causative投(とう)じさせる投(とう)じさせない
Imperative投(とう)じろ投(とう)じるな
1. to throw in; to cast into
To throw or drop something into a place, such as casting a stone into water or throwing oneself into something.
石(いし)を池(いけ)に投(とう)じた。
I threw a stone into the pond.
He plunged into the sea as if throwing himself in.
At a young age, he threw himself into the world of politics.
2. to invest; to put in (resources, effort)
To commit money, resources, or effort toward a purpose.
A large amount of money was invested.
An enormous budget has been invested in this project.
A great deal of time and effort has been invested in development.
3. to cast (a vote)
To submit a vote in an election or poll.
一票(いっぴょう)を投(とう)じた。
I cast my vote.
Many people cast their votes in favor.
Citizens should cast their votes to express their will in elections.

An ichidan verb (じる form of 投(とう)ずる) meaning to throw into, invest, or cast. A somewhat formal and literary verb that covers physical throwing, financial/resource investment, and voting.

Common expressions

  • 身(み)を投(とう)じる — to throw oneself into (an activity, a cause); to devote oneself
  • 一票(いっぴょう)を投(とう)じる — to cast a vote
  • 一石(いっせき)を投(とう)じる — to make waves; to raise an issue (lit. "throw a stone")

Common collocations

Similar words

  • 投資(とうし)する — to invest (financially); specifically about financial investment, while 投(とう)じる is broader
  • 投(な)げる — to throw; the everyday word for physical throwing, while 投(とう)じる is more literary