1A poetic, literary word for evening or dusk; rarely used in everyday conversation.
夕べの空が茜色に染まっていく。
The evening sky gradually turns a deep crimson.
詩人は夕べの静けさを愛して、よく庭を歩いた。
The poet loved the stillness of evening and often walked in the garden.
2Refers to the evening of a special event; commonly used in titles as '～の夕べ' (an evening of ~).
市民会館で「音楽の夕べ」というコンサートが開かれた。
A concert called "An Evening of Music" was held at the civic hall.
「詩人を偲ぶ夕べ」に多くのファンが集まった。
Many fans gathered for "An Evening in Memory of the Poet."
3Last night, the previous evening. Commonly spoken as 'ゆうべ,' though in writing it's usually spelled 昨夜.
ゆうべは12時過ぎまで起きていた。
I stayed up past midnight last night.
ゆうべの地震、大丈夫だった？
Were you okay during last night's earthquake?
ゆうべから頭痛がひどくて、あまり眠れなかった。
I've had a bad headache since last night and couldn't sleep much.