1.
all at once, simultaneously
Many things or people doing something at the same time together.
花が一斉に咲いた。
The flowers all bloomed at once.
一斉に立ち上がった。
Everyone stood up at once.
合図とともに、選手たちが一斉に走り出した。
At the signal, the athletes all started running at once.
一斉 indicates simultaneous action by many.
FORMS:
- Adverb: 一斉に (all at once)
- No-adjective: 一斉の + noun / noun + 一斉
COMMON PATTERNS:
- 一斉に + verb (do simultaneously)
- 一斉検査 (simultaneous inspection)
- 一斉攻撃 (simultaneous attack)
- 一斉送信 (mass transmission/broadcast)