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

一斉に

Reading

Kana: いっせいに
Romaji: isseini
Kana
Romaji

Definition

adv
1

simultaneously; all at once

Kanji

Readings: イチ、 イツ、 ひと-、 ひと.つ
Meanings: one, one radical (no.1)
Readings: セイ、 サイ、 そろ.う、 ひと.しい、 ひと.しく、 あたる、 はやい
Meanings: adjusted, alike, equal, similar variety of

Example Sentences

人々(ひとびと)一斉(いっせい)(はしだ)()した。
➥People started to run all at once.
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(かれ)らはいっせいに(さけ)んだ。
➥They cried out with one voice.
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(かれ)らは一斉(いっせい)にスタートした。
➥They started all at once.
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乗客(じょうきゃく)一斉(いっせい)()ってきた。
➥The passengers came on board all at the same time.
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(かれ)らは一斉(いっせい)(たあ)()がった。
➥They stood up simultaneously.
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我々(われわれ)はいっせいに出発(しゅっぱつ)した。
➥We started all at once.
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