Pronunciation: (fûr'ē),[key] —adj.,fur•ri•er, fur•ri•est. 1. consisting of or resembling fur: a deep, furry rug in front of the fireplace; the furry undergrowth of the forest. 2. covered with fur; wearing fur: Many furry animals are in danger of becoming extinct. 3. obstructed or coated as if with fur: a furry voice; a furry tongue. 4. Slang.terrifying; hair-raising.