hoary

US /ˈhɔːr.i/
UK /ˈhɔːr.i/
"hoary" picture
1.

having gray or white hair; aged

:
The hoary old man sat by the fireplace, telling stories of his youth.
His long, hoary beard reached his chest.
2.

very old and well-known; ancient

:
The tradition is a hoary custom, passed down through generations.
He repeated the same hoary jokes, much to everyone's annoyance.