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Synonyms

sunup

American  
[suhn-uhp] / ˈsʌnˌʌp /

noun

  1. sunrise, especially the time of sunrise.


sunup British  
/ ˈsʌnˌʌp /

noun

  1. another name (esp US) for sunrise

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sunup

1705–15, sun + up, on the model of sundown


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.

See Examples For:

When I explained this to a Muslim friend, he replied that it “kinda sounds like diet Ramadan”—which demands that Muslims go without food or drink from sunup to sundown.

From The Wall Street Journal ● Mar. 19, 2026

Before sunup on Jan. 8, as the Eaton fire roared across the San Gabriel Mountains, a blaze of texts and calls lit up my phone with a ferocity of their own.

From Los Angeles Times ● Aug. 14, 2025

Aaser said Ramadan is the most important time of the year for Muslims, who fast from sunup to sundown while focusing on improving themselves and building their faith.

From Seattle Times ● Apr. 16, 2023

Many community gardens and urban farms have limited membership, but most food forests are open to the community from sunup to sundown.

From Salon ● Apr. 4, 2023

A fountain warbled near the main entrance, surrounded by low stone benches that were occupied soon after sunup and remained popular well into the night.

From "The Underground Railroad: A Novel" by Colson Whitehead

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