[ adjective nahyt-lawng, -long; adverb nahyt-lawng, -long ]
/ adjective ˈnaɪtˌlɔŋ, -ˌlɒŋ; adverb ˈnaɪtˈlɔŋ, -ˈlɒŋ /
lasting all night: a nightlong snowfall.
through the entire night: They typed nightlong to finish the reports.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for nightlong
What astonishment that such beauty urges me into bed for a nightlong sweaty roll in tangled sheets.
Then, almost imperceptibly, the frogs begin their nightlong din.The Sea and the Jungle|H. M. Tomlinson
Nightlong did Wur watch over her, and the maid dreamed in sorrow, to wake weeping.The Stars in the Pool|Edna Kingsley Wallace
British Dictionary definitions for nightlong
/ (ˈnaɪtˌlɒŋ) /
throughout the night
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