()(とお)

おしとおす
verb
to push through; to persist in; to force one's way
Conjugation
AffirmativeNegative
Present()(とお)()(とお)さない
Present polite()(とお)します()(とお)しません
Past()(とお)した()(とお)さなかった
Past polite()(とお)しました()(とお)しませんでした
て form()(とお)して()(とお)さなくて
ている present()(とお)している()(とお)していない
ている polite()(とお)しています()(とお)していません
ている past()(とお)していた()(とお)していなかった
ている past polite()(とお)していました()(とお)していませんでした
Conditional ば()(とお)せば()(とお)さなければ
Conditional たら()(とお)したら()(とお)さなかったら
Volitional()(とお)そう
Volitional polite()(とお)しましょう
Potential()(とお)せる()(とお)せない
Passive()(とお)される()(とお)されない
Causative()(とお)させる()(とお)させない
Imperative()(とお)()(とお)すな
1. to push through; to persist in; to insist on
To carry something through to the end despite opposition or difficulty, especially one's opinion, will, or way of doing things.
自分(じぶん)意見(いけん)()(とお)す。
To push through one's opinion.
(かれ)最後(さいご)まで自分(じぶん)主張(しゅちょう)()(とお)した。
He stuck to his position to the very end.
反対(はんたい)()()って計画(けいかく)()(とお)すのは(むずか)しい。
It's difficult to push a plan through against opposition.
2. to force one's way through; to push through physically
To physically push through a barrier, crowd, or obstacle.
群衆(ぐんしゅう)()(とお)す。
To push through the crowd.
人垣(ひとがき)()(とお)して(まえ)()た。
I pushed through the wall of people and got to the front.
警備(けいび)()(とお)して会場(かいじょう)(はい)ろうとした。
He tried to force his way past security and into the venue.

A compound godan verb (()す + (とお)す) meaning to push something all the way through. The figurative sense of persisting stubbornly is more common than the physical sense.

COMMON COLLOCATIONS:

  • 意見(いけん)()(とお)す: to push through one's opinion
  • 主張(しゅちょう)()(とお)す: to insist on one's claim
  • ()()(とお)す: to insist on having one's way
  • 無理(むり)()(とお)す: to force something unreasonable through

USAGE:
Often carries a negative nuance of stubbornness or forceful behavior, though it can also convey admirable determination depending on context.

SIMILAR WORDS:

  • ()()る: to override, to push past — emphasizes overcoming resistance at a specific point
  • (つらぬ)く: to carry through, to stick to — more literary; emphasizes unwavering commitment to principles
  • (とお)す: to let through, to carry through — broader meaning; ()(とお)す adds the forceful element