all–nighter

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noun all–night·er \ˈȯl-ˈnī-tər\

Definition of all–nighter

  1. :  something that lasts all night; specifically :  an all-night study session

1870

First Known Use of all–nighter

1870




ALL–NIGHTER Defined for English Language Learners

all–nighter

play
noun all–night·er \ˈȯl-ˈnī-tər\

Definition of all–nighter for English Language Learners

  • : a night during which someone works on something instead of sleeping

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a dividing ridge between drainage areas

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