noun
Poetic or literary term for the deepening darkness after sunset, often evoking a quiet, melancholic atmosphere.
宵闇が迫る頃、街灯がぽつりぽつりと灯り始めた。
As dusk approached, the streetlights began to flicker on one by one.
彼女は宵闇に紛れて姿を消した。
She disappeared into the twilight.