vieux
old
aged
longstanding (having existed for a long time)
Il habite dans un vieux bâtiment en plein centre‑ville.
He lives in an old building right in the city centre.
an old person (informal)
the elderly (collective: les vieux)
informal form of address meaning 'old man'/'mate' (as in mon vieux)
Je vais voir mes vieux ce week‑end.
I'm going to see my folks this weekend.
Notes
GENERAL INFO
Vieux is a masculine singular adjective meaning "old." It describes the age of people, objects, or ideas.
USAGE
It usually comes before the noun.
For example: "Un vieux chien" (an old dog), "De vieux souvenirs" (old memories).
It can also refer to people: "Le vieux monsieur" (the old gentleman).
TRAPS
vieux has several forms: vieux (m.s.) (or vieil before a vowel/silent 'h', e.g., "un vieil ami") ; vieille (f.s.) ("une vieille maison") ; vieux (m.pl.) ("des vieux livres") ; vieilles (f.pl.) ("des vieilles photos")
