Definition of all-nighter in English:

all-nighter

Syllabification: all-night·er
Pronunciation: /ˌôl ˈnītər
 
/

noun

informal
  • An event or task that continues throughout the night, especially a study session before an examination: he would do an all-nighter, the way he used to in school
    More example sentences
    • I personally really didn't wake up until 4pm today which I've never done unless it was after an all-nighter (all night chat, that is) ending at 9am, and even that only happened once.
    • As for Dan, a third-year speech communication major, he needs coffee to stay awake through all-nighters.
    • A source told Britain's Daily Sport newspaper: ‘The party was a real all-nighter.’

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