This site will be taken down March 31st, 2026.

This was not an easy decision to make. For the last couple years, I have been struggling to find motivation for this site and to keep up with basic maintenance and security updates. With the rise of AI and more sophisticated tools, the usefulness of sites like this is questionable and traffic has nose-dived. I just don't have it in me to keep doing this. Thank you all for 10 years of support!

Zach

開通

Reading

Kana: かいつう
Romaji: kaitsuu
Kana
Romaji

Definition

vs
1

opening; open; taking effect; becoming active

Kanji

Readings: カイ、 ひら.く、 ひら.き、 -びら.き、 ひら.ける、 あ.く、 あ.ける
Meanings: open, unfold, unseal
Readings: ツウ、 ツ、 とお.る、 とお.り、 -とお.り、 -どお.り、 とお.す、 とお.し、 -どお.し、 かよ.う
Meanings: traffic, pass through, avenue, commute, counter for letters, notes, documents, etc.

Example Sentences

(はし)開通(かいつう)している。
➥The bridge is open to traffic.
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たくさんの(ひと)(あたら)しい(はし)開通式(かいつうしき)参列(さんれつ)した。
➥Quite a few people attended the opening ceremony of the new bridge.
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不通(ふつう)区間(くかん)開通(かいつう)見込(みこ)みはまだない。
➥There's no hope at this moment that the closed section will be reopened.
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