sunup

Meanings

nounsunup (countable and uncountable, plural sunups)

plural sunups

UScountableuncountableThe time of day when the sun appears above the eastern horizon.
“Shagbark, that was risky on your part; even where it lies it is much closer than I like, for we shall all have to see it in the morning.” “No, you won’t; it’ll be gone afore sunup.”
1909, Edward S. Ellis, Alden the Pony Express Rider
Synonyms: sunrise, daybreak, dawn, ass crack of dawn, break, break of dawn, break of day, butt crack of dawn
UScountableuncountableThe change in color of the sky at sunup.

nounThe time of day when the sun appears above the eastern horizon.

nounthe first light of day

Broader

Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry

APA

sunup. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/sunup

MLA

“sunup.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sunup. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “sunup,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/sunup.

Source: sunup on Wiktionary, CC BY-SA 4.0.