nighttime
Americannoun
adjective
Etymology
Origin of nighttime
Middle English word dating back to 1350–1400; see origin at night, time
Vocabulary lists containing nighttime
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A nighttime curfew will be in place for a month, with all military personnel expected to return home by midnight.
From The Wall Street Journal ● Oct. 7, 2026
In their role as nighttime pollinators, they distribute pollen from the flowers of numerous food-producing plants, carrying it on their fur and faces, according to the UC Agriculture and Natural Resources division.
From Los Angeles Times ● Oct. 1, 2026
For some people, even coffee consumed early in the day may still have an impact by nighttime.
From Science Daily ● Sep. 22, 2026
By summer 2025, Moscow was deploying hundreds of the drones in nighttime salvos.
From The Wall Street Journal ● Sep. 17, 2026
The graphite in the illustrations darkens to show that it’s nighttime.
From "I Can Make This Promise" by Christine Day
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
