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