[ awl-nahy-ter ]
/ ˈɔlˈnaɪ tər /

noun Informal.

something that lasts, is available, or is open for business throughout the night: The poker game turned into an all-nighter. Are any of the grocery stores all-nighters?
an act of staying up all night, as to study or finish a task: I had to pull an all-nighter to get the paper done on time.

Origin of all-nighter

1890–95; all night + -er1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for all-nighter

British Dictionary definitions for all-nighter

/ (ˌɔːlˈnaɪtə) /


an entertainment, such as a pop concert or film screening, that lasts all 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