noun, slang ·Moderate ·College level

Definitions

Noun

1. 1
   Something that lasts throughout the whole night.

   "That party was an all-nighter."

2. 2
   Something that lasts throughout the whole night.; An instance of studying or working throughout the night without sleep. specifically
3. 3
   A session with a prostitute covering the entire night. UK, slang
4. 4
   A client of a prostitute who has paid for the entire night. UK, slang
5. 5
   A criminal or other person kept in jail over night. US, slang

Synonyms

All synonyms

curb crawlerfaregonkjanejockeyjohn

Example

More examples

"I pulled an all-nighter preparing for the exam."

Etymology

From all-night + -er = all- + night + -er.

Related phrases

pull an all-nighter

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.