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.
They found that the rate of nighttime wake-ups in both groups, as measured objectively by the actigraphy, was the same.
From Slate • May 3, 2026
She, too, backed nighttime closures and stressed that nobody was against the Tolbooth being improved.
From BBC • Apr. 21, 2026
It wasn’t until I read two books, both in the early 1990s, that I understood I was making my nighttime selections in such a particular way.
From The Wall Street Journal • Apr. 17, 2026
Artemis II pilot Victor Glover heard the call of the terminator: the border between the moon’s daytime and nighttime — the lunar dawn.
From Los Angeles Times • Apr. 9, 2026
When the nighttime bombing missions were over, the technicians could snatch about two hours of sleep.
From "A Thousand Sisters" by Elizabeth Wein
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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.