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noun

nightfall

NYT-fawl
noun
1
The time when day turns to night; dusk.
"We need to reach camp before nightfall."

How to Use Nightfall

Learner’s notes

In plain EnglishThe moment evening turns into night.

Common pairings
before nightfall at nightfall

Word Forms

nightfalls plural

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We need to reach camp before _____.

Etymology

From night + fall, on the pattern of the sun or light "falling" away at the end of the day.

Definitions: FreeDict original editorial