# all-nighter

Pronunciation: US say "awl-NY-ter" /ˌɔlˈnaɪ.tɚ/; UK/AUS say "awl-NY-tuh" /ˌɔːlˈnaɪ.tə/

## Noun

1. A period of studying or working that lasts the whole night, with no sleep.
   - Simple: A night spent studying or working without going to sleep at all.
   - _She pulled an all-nighter before the deadline and submitted the report at dawn._
   - _Three all-nighters in one week wrecked his sleep schedule._
2. An event, session, or activity that continues throughout the entire night.
   - Simple: An event or activity that goes on for the whole night.
   - _The film festival closed with an all-nighter of horror classics._
   - _What began as a quick meeting stretched into an all-nighter._
3. A person held in jail overnight, such as someone arrested and detained until morning. *(slang, US)*
   - Simple: A person kept in jail for one whole night.
   - _The desk sergeant logged three all-nighters before his shift ended._
   - _They processed the all-nighter at dawn and sent him before the judge._
4. A paid engagement with a prostitute that covers the entire night rather than a short visit. *(slang, UK)*
   - Simple: A full night paid for in the company of a prostitute.
   - _The girls charged a premium for an all-nighter over a single hour._
   - _He arranged an all-nighter through a contact in Soho._
5. A client who has paid a prostitute for the whole night rather than a brief visit. *(slang, UK)*
   - Simple: A person who has paid to spend a whole night with a prostitute.
   - _Her all-nighter dozed off long before dawn._
   - _An all-nighter was worth several short customers to her._

## Origin

Formed from "all-night" plus the suffix "-er" (all- + night + -er).

Source: DictionaryAI, https://dictionaryai.com/define/all-nighter (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).