grizzly

(noun) powerful brownish-yellow bear of the uplands of western North America. Synonyms: grizzly bear, silvertip, silver-tip, Ursus horribilis, Ursus arctos horribilis.

(adj) showing characteristics of age, especially having grey or white hair. Synonyms: grey, gray, grey-haired, gray-haired, grey-headed, gray-headed, hoar, hoary, white-haired. Examples: "Whose beard with age is hoar"-coleridge." "Nodded his hoary head."