1.
last night, last evening
The evening or night of the previous day. A slightly more formal synonym of 昨夜 and ゆうべ.
昨晩はよく眠れた。
I slept well last night.
昨晩の地震は大きかった。
Last night's earthquake was big.
昨晩は友人と食事をしてから映画を見ました。
Last night I had dinner with a friend and then watched a movie.
SYNONYMS:
- ゆうべ — the most common everyday word for "last night" (informal)
- 昨夜 — literary/formal, often seen in writing
- 昨晩 — slightly formal, common in both speech and writing
昨晩 is a time noun and can be used adverbially without a particle: 昨晩食べた (I ate last night).