Definition

1. Adjective: Lasting, open, or operating through the entire duration of the night; occurring or continuing all night.

Usage

The adjective "all-night" is used to describe an event, activity, or establishment that continues without stopping from evening until morning. It typically precedes the noun it modifies.

Examples

• The students pulled an all-night study session before the final exam.
• We went to an all-night diner for coffee after the concert.
• The hospital provides all-night emergency care.

Advanced Usage

• "All-night long": An adverbial phrase with a similar meaning, emphasizing the continuous duration.
  • The party went on all-night long.
• The concept can be implied in compound nouns like "all-nighter," which refers specifically to the act of staying awake all night.

Variants and Related Words

• Nightlong (adj.): Lasting through the night. (More formal/literary synonym)
• Overnight (adj.): Lasting for, occurring during, or staying for a night. Can sometimes be used interchangeably with "all-night," but "overnight" often implies a conclusion by morning (e.g., an overnight bag, an overnight guest), while "all-night" emphasizes continuous operation.
• All-nighter (n., informal): An instance of staying awake all night, especially to work or study.

Synonyms

• Nightlong
• Through-the-night

Related Phrases

• Round-the-clock: Operating or happening at all times of day and night. (This is a broader term than "all-night.")
• 24/7 (adv./adj.): Available or happening 24 hours a day, 7 days a week; always open or operating.

Adjective

1. lasting, open, or operating through the whole night
   • a nightlong vigil
   • an all-night drugstore
   • an overnight trip