hoary

Short definition from Wiktionary

Adjective

1. 1
   White, whitish, or greyish-white.
2. 2
   White or grey with age.
3. 3
   Of a pale silvery grey.
4. 4
   Covered with short, dense, greyish white hairs.
5. 5
   Old or old-fashioned; trite.
6. 6
   Remote in time past.
7. 7
   Moldy; mossy; musty.