"Grayhaired" is a term commonly used to describe someone who has hair that has turned gray or white with age. However, there are many other synonyms that can be used to describe this characteristic. Some of these include silver-haired, whitish-haired, hoary-headed, grizzled, aged, venerable, and mature. Each of these words offers a slightly different nuance to the description of a person's hair color, ranging from the implication of wisdom and experience to the suggestion of old age and frailty. By using a range of synonyms to describe someone's hair color, writers can create a more vivid and nuanced portrait of their characters.