Sunrise and Sunup

Sunrise

Sunrise noun - The first appearance of light in the morning or the time of its appearance.
Usage example: a job that requires him to get up before sunrise

Sunup is a synonym for sunrise (North American) in start topic. In some cases you can use "Sunup" instead a noun "Sunrise", when it comes to topics like dawn, rise of sun above horizon. popular alternative

Sunup

Sunup noun - The first appearance of light in the morning or the time of its appearance.
Usage example: have you ever actually heard a rooster crow at sunup?

Sunrise is a synonym for sunup in dawn topic. You can use "Sunrise" instead a noun "Sunup", if it concerns topics such as start.
Cite this Source
Sunup and Sunrise. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/sunrise/sunup
Sunrise & Sunup. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/sunrise/sunup>.
Sunup or Sunrise. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/sunrise/sunup.
Google Ngram Viewer shows how "sunrise" and "sunup" have occurred on timeline