# no one

Pronunciation: say "NOH wun" US /ˈnoʊ ˌwʌn/, UK /ˈnəʊ wʌn/

## Pronoun

1. Used to mean not a single person, in contrast to anyone, someone, or everyone.
   - Simple: Used to say there is not even one person.
   - _No one in the office knew the new password._
   - _She promised to tell no one about the surprise party._
2. The determiner no together with the number one, used before a singular noun to mean not a single one.
   - Simple: Used before a noun to mean not even one single thing or person of that kind.
   - _No one factor explains the drop in sales; several problems hit at once._
   - _The museum's collection is so large that no one visit could cover it all._

Source: DictionaryAI, https://dictionaryai.com/define/no-one (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).