[dey-lawng, -long]


during the entire day; lasting all day: a daylong trip.

Origin of daylong

First recorded in 1850–55; day + long1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for daylong

Contemporary Examples of daylong

Historical Examples of daylong

  • Daylong they rode, at the noontide having bite and sup with a woodcutter and his wife, newly blessed with a fine man child.

    The Stars in the Pool

    Edna Kingsley Wallace

  • To her, Industry is a daylong and lifelong duty, as well as a natural impulse; and economics means going without things.

British Dictionary definitions for daylong


adjective, adverb

lasting the entire day; all day
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 daylong

Old English dæglang; see day + long (adj.).

Online Etymology Dictionary, © 2010 Douglas Harper