いっせいに
Isseini
一斉に (Isseini) is a Japanese adverb meaning “simultaneously, all at once, in unison”.
Meanings
- adverbsimultaneously; all at once; in unison
Examples
彼らはいっせいに叫んだ。
They cried out with one voice.
人々が一斉に走り出した。
People started to run all at once.
乗客が一斉に乗ってきた。
The passengers came on board all at the same time.
Sentences from Tatoeba (CC BY 2.0 FR).