Synonym of snowy owl
"The guide pointed out a snowy owl perched on the branch, noting its pure white feathers blend perfectly with the winter landscape."
covered with snow
"snow-clad hills"
"snow-covered roads"
"a long snowy winter"
of the white color of snow
"The old roof looked like a giant cake after the heavy rain turned it into a snowy gray mess."
Marked by snow, characterized by snow.
"The drive to the mountain cabin was slow because the road was completely snowy and slippery."