user
In French, what is the feminine of "vieux" (old)?
alphonsio

The feminine form of "vieux" (which means "old" in French) is "vieille".

SingularPlural
Masculinevieuxvieux
Feminineviellevielles

Here are some examples:

  • Un vieux livre. <=> An old book (masculine)
  • Une vieille maison. <=> An old house (feminine)
  • Lui est vieux, mais elle n'est pas si vielle. <=> He's old, but she's not so old.
  • Ce sont de vielles voitures. <=> These are old cars.