furriest

adjective
  1. 1

    Covered with fur, or with something resembling fur.

    โ€œHis treatment of our furry friends was nothing short of appalling.โ€

  2. 2

    Of or related to the furry subculture.

Source: https://en.wiktionary.org/wiki/furriest, https://en.wiktionary.org/wiki/furry