1.
one night; a single night
The duration of a single night, often with literary or dramatic connotations.
一夜にして有名になった。
They became famous overnight.
一夜の夢のようだった。
It was like a dream that lasted one night.
一夜限りのコンサートが開催された。
A one-night-only concert was held.
一夜 has a literary quality compared to 一晩.
COMMON EXPRESSIONS:
- 一夜にして: overnight (suddenly)
- 一夜限り: one night only
- 一夜の夢: a fleeting dream
- 一夜漬け: overnight pickling; cramming (studying intensely the night before)
COMPARISON:
- 一夜: literary, formal, often dramatic
- 一晩: everyday, conversational
「一夜漬け」 has two meanings: (1) quick-pickled vegetables made overnight, and (2) cramming for an exam the night before.