dusk
CEFR: B2
The final stage of twilight immediately following sunset, characterised by the rapid fading of natural ambient light just before complete darkness sets in. It is widely used in scientific descriptions of animal behaviour, lighting conditions, and atmospheric cycles.
Common Collocations
- at dusk
- from dusk till dawn
- dusk falls
Example Sentence
Ecological surveys revealed that predatory mammals in the nature reserve became considerably more active at dusk.