How to say "throughout" in Japanese

• いたるところCommon
  expression, noun, adverbCovers 'throughout' in the spatial sense of 'all over': something present or occurring in every part of a place or area. Usually written in kana alone.
  私わたしたちはいたるところで歓迎かんげいされた。↗

  We were welcomed at every turn.
• ずっとJLPT N3approx.Common
  adverbCovers 'throughout' meaning 'the whole time' or 'all the way': something continues without a break for an entire period, or extends the whole length of a distance.
  ６時じからずっと待まっているのだが、僕ぼくの番ばんがまだ来こない。↗

  I've been waiting since six o'clock and still my turn hasn't come.
• にわたってCommon
  expressionFor 'throughout' when something extends over a whole period or span: whatever is described holds across the entire stretch of time or range involved. Usually written in kana alone.
  そして、だからこそ、ほぼ百ひゃく年ねんにわたって、従業員じゅうぎょういんはだれでも雇用者こようしゃのところに行いって、現金げんきんによる賃金ちんぎん支給しきゅうを要求ようきゅうできるようになったのです。↗

  And that's why for almost a hundred years, any employee has been able to go to his employer and insist on being paid in cash.
• 中じゅうCommon
  suffixUsed with a span of time such as a night or a year to mean 'all ... long': the whole of that period, with something going on or holding for its entire duration.
  彼かれは夏なつ中ちゅうずっと長野ながのにいた。↗

  He stayed in Nagano throughout the summer.
• 終始一貫しゅうしいっかんCommon
  adverbA four-character idiom for 'throughout' meaning 'from start to finish without change': something kept consistent and unchanging throughout. It is not the word for spatial spread or for plain continuous duration.

Use 「いたるところ」 for 'all over' a place, 中 for the whole of a named time span, 「ずっと」 for continuous duration, 「にわたって」 for extending across a period or range, and 終始一貫 for unchanging consistency from start to finish.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• いたるところeverywhere
• ずっとcontinuously
• にわたってthroughout
• 中じゅう(all) through (e.g. the night)
• 終始一貫しゅうしいっかんconsistently
• あちこちhere and there
• スルーアウトthroughout
• に渡りにわたりthroughout
• 間ずっとあいだずっとthroughout
• を通してをとおしてthrough
• どこからどこまでall over (the place)
• かなたこなたhere and there
• 越しごしthroughout (a period of time)
• 終始しゅうしfrom beginning to end
• 中ちゅうduring
• 一円いちえんthroughout (an area)
• 通じてつうじてthroughout (e.g. the year)