• synonyms


See more synonyms for sunup on Thesaurus.com
  1. sunrise, especially the time of sunrise.
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Origin of sunup

1705–15, Americanism; sun + up, on the model of sundown
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for sunup

Historical Examples

  • His last meal had been breakfast before sunup of the day before.

    The Leopard Woman

    Stewart Edward White

  • “Been watching your craft since sunup,” declared Uncle Enos.

  • And to-morrow morning at sunup we begin preparations in earnest.

    Darkness and Dawn

    George Allan England

  • From sunup to sundown the Tony Trumbullses raced and laughed.

    Rebecca Mary

    Annie Hamilton Donnell

  • "I took pains to watch the hunters load their craft at sunup," said Hawk Eye.

    Hawk Eye

    David Cory

British Dictionary definitions for sunup


  1. another name (esp US) for sunrise (def. 3)
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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

Word Origin and History for sunup


also sun-up, 1712, from sun (n.) + up (adv.).

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Online Etymology Dictionary, © 2010 Douglas Harper