It depends on the noun you're describing...
vieux, vieille, vieil, or vieiles...
vieux
Old French. But THEY borrowed it from Latin. From Greek to Latin to French to English
in old French 'franc' meant 'free'in old French 'franc' meant 'free'
Old man in french is 'Vieille homme'.
curtain is coming from old french cortine
Old in French is vieux (masculine) or vieille (feminine).
Headstrong, in Old French, is "testu."
How old is your horse is "quel âge a ton cheval ?" in French.
how old are they is translated "quel âge ont-ils" in French.
Well, "viejo" is Spanish for "old." ("Old" in French is vieux.)
The Old French word for "cottager" is "coterel."
Dawn French is 53 years old (birthdate: October 11, 1957).
the Sou (alternate spelling 'sol') was an old French coin.