D defs.my
Entry 3 senses Webster, 1913

Hairy

/(-y̆)/ · Hair·y · IPA /ˈhɛɹ.i/
01 a. Bearing or covered with hair; made of or resembling hair; rough with hair; hirsute.
  1. 1.
    Bearing or covered with hair; made of or resembling hair; rough with hair; hirsute.
    “His mantle hairy, and his bonnet sedge.” Milton.
  2. 2.
    Very complicated, difficult, or involved; as, a hairy problem; a hairy equation.[Colloq.]
  3. 3.
    Dangerous or frightening; as, a hairy encounter with a mugger.