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all-nighter

The definition of all nighter refers to an evening where you don't ever go to bed but instead where you stay up until morning.

(noun)

A marathon study session that begins on one day and lasts until the morning of the next day is an example of an all nighter.

See all-nighter in Webster's New World College Dictionary

noun

Informal something that lasts through the night, as a work or study session or a party

See all-nighter in American Heritage Dictionary 4

or all-night·er

noun
Informal

A project or event lasting all through the night, especially an intense bout of study or work: pulled an all nighter to finish the assignment on time.

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