French · Numbers & Time
un
one
Beginnernumeral
Definition
The number representing a single unit.
Example
J'ai un frere.
I have one brother.
Etymology
'Un' comes from the Latin 'unus,' meaning 'one.' It has evolved consistently through the Romance languages to its current form.
How & Where It’s Used
'Un' is used in all contexts, written and spoken, in both formal and informal settings. It is standard in mathematics and counting.