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.
Experts say this year’s summer heat has been particularly grueling since nighttime temperatures have remained high and coastal areas have been hotter than usual.
From Los Angeles Times ● Aug. 25, 2026
On that June evening, the nighttime temperatures was 27C so the house temperature remained at 27C, the highest Baeli has ever recorded in her home.
From BBC ● Aug. 21, 2026
In some parts of the city, protesters regularly bang pots and pans in nighttime demonstrations known as cacerolazos.
From The Wall Street Journal ● Aug. 13, 2026
Rather than looking only at nighttime sleep, Tracy argues that researchers should consider how activities across the full day influence the body's internal clock and overall well-being.
From Science Daily ● Jul. 31, 2026
The sky changed from the split colors of daytime and nighttime.
From "Aru Shah and the End of Time" by Roshani Chokshi
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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.