adverb, noun

  1. simultaneous, all at once.

Variations

Pronunciation Kanji Kana Is Common
一斉 いっせい

Contained Kanji Breakdown

one, one radical (no.1)
イチ いっ ひと- (1st, N5)
adjusted, alike, equal
セイ サイ そろ.う (9th, N1)
alike(齊) variant
sentence, literature, style
ブン モン も (1st, N4)
kettle lid radical (no. 8)
トウ (Kentei 1)
mow, cut grass, subdue
ガイ ゲ おさ.める (Kentei 1)
two, two radical (no. 7)
ニ ふた ふだ (1st, N5)