grizzly

nouns

powerful brownish-yellow bear of the uplands of western North America
Ursus arctos horribilis, Ursus horribilis, grizzly, grizzly bear, silver-tip, silvertip

adjectives

showing characteristics of age, especially having grey or white hair
"whose beard with age is hoar"-Coleridge; "nodded his hoary head"
gray, gray-haired, gray-headed, grey, grey-haired, grey-headed, grizzly, hoar, hoary, white-haired
is derived from
grizzle