どおしだ（通しだ） (dooshi-da): Throughout; all the way
～どおしだ（通しだ） (dooshi-da)
Meaning
Throughout; all the way
Formation and usage
V stem + 通し（どおし）
Notation: N = noun; V dictionary = dictionary-form verb; V stem = the stem before ます; plain clause = plain-form clause; negative stem = the form before ない. Follow the attachment shown above.
Explanation
An action continues for an entire period, commonly standing or walking throughout.
Examples
会議の間は、立ち通しだった。
I was standing throughout the meeting.
試験の間は、立ち通しだった。
I was standing throughout the exam.
研修の間は、立ち通しだった。
I was standing throughout the training session.
発表会の間は、立ち通しだった。
I was standing throughout the presentation event.
面接の間は、立ち通しだった。
I was standing throughout the interview.
How related patterns differ
きる stresses completion; ぬく perseverance to the end. てみせる shows determination. てやまない sustains a feeling; っぱなし, づめ, and 通し describe duration with different nuances. ては～ては repeats alternating actions.