daylong

[ dey-lawng, -long ]
/ ˈdeɪˌlɔŋ, -ˌlɒŋ /

adjective

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

Origin of daylong

First recorded in 1850–55; day + long1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for daylong

British Dictionary definitions for daylong

daylong
/ (ˈdeɪˌlɒŋ) /

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