all-nighter
noun
all-night·er
| \ ˈȯl-ˈnī-tər
\
\
Definition of all-nighter
: something that lasts all night
specifically
: an all-night study session
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More Definitions for all-nighter
all-nighter
noun
English Language Learners Definition of all-nighter
informal
: a night during which someone works on something instead of sleeping
See the full definition for all-nighter in the English Language Learners Dictionary