いっせい
Meanings
Adverb
1. simultaneously; all at once; in unison
Kanji used
one
simultaneously
Pitch accent
っせいに
Top 2500
Composed of
simultaneous; all at once
Examples (7 in total)
Everyone is talking at the same time.
People started to run all at once.
They started all at once.
All at once they began to laugh.
All of the students stood up together.
We all jumped into the water at the same time.
Everyone in the audience burst into simultaneous laughter.