一斉
いっせい
isei
JLPT N2verbVocabularyLevel 75 - JLPT N2
Quick answer
一斉 (いっせい (isei)) means "All at once". The reading is いっせい (isei). Audio pronunciation and kanji breakdown are below.
Meaning
All at once
Also : simultaneous
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Example Sentences
会社の全社員が一斉に新しい制度を導入した。
かいしゃのぜんしゃいんがいっせいにあたらしいせいどをどうにゅうした。
All company employees adopted the new system simultaneously.
信号が青に変わると、全ての車が一斉に動き出した。
しんごうがあおにかわると、すべてのくるまがいっせいにうごきだした。
When the light turned green, all the cars moved at once.
Kanji in this word
Grammar to study at this level
- [Noun] + に伴い～に伴い (ni tomonai) - Along with / In accordance with
- [Noun] + をはじめ～をはじめ (wo hajime) - Starting with / Including
- [Noun] + に応じて～に応じて (ni oujite) - According to / In response to
- [Noun] + から + [Noun] + にかけて～にかけて (ni kakete) - From...to / In the area of
- [Noun] + に限り～に限り (ni kagiri) - Limited to / Only
Last updated Jul 25, 2026
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