English Reference
Noun

nightfall

n. uncountable
B2 Upper Intermediate US /ˈnaɪtˌfɔɫ/ UK /nˈaɪtfɔːl/ night·fall UK spelling nightfalls

n.the time of day when it starts to get dark and night begins.

n.the onset of darkness at the end of the day; the transition from twilight to night.


SIMPLE

We should try to reach the camp before nightfall.

CONTEXTUAL

The hikers quickened their pace as nightfall approached, hoping to find the trail marker before the light faded completely.

COMPLEX

The ancient city gates were traditionally locked at nightfall to protect the inhabitants from nocturnal threats, a practice that continued well into the nineteenth century.

Usage

Often follows the preposition 'at' or 'before'.

The birds stop singing because they think it’s nightfall.

The Guardian· 12 Aug 2026

From night + fall. Cf. dewfall.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Occasional
Updated