Canescent is a word used to describe something that appears white or grayish due to it being covered in fine, downy hairs. There are several synonyms for canescent, including hoary, silvery, and woolly. Hoary refers to the appearance of white hair, while silvery suggests the shine of polished silver. Woolly, on the other hand, implies a thick, fuzzy covering of hair or fur. Other synonyms for canescent include frosty, cottony, and hairy. Each of these words conveys a slightly different image but all capture the essence of an object covered in downy or fine hair that gives it a white or gray appearance.