English · Daily Life
certain
/ˈsɜːtən/
[/ˈsɜːtən/]
particular but unnamed
Intermediatedeterminer
Definition
Used to refer to a particular thing or person without naming it.
Example
A certain man asked for you.
A certain man asked for you.
Etymology
From Latin 'certus', meaning 'settled' or 'sure'.
How & Where It’s Used
As a determiner it points vaguely; as an adjective it means 'sure'.