'Hairy' definitions:

Definition of 'hairy'

adjective

Having or covered with hair; "Jacob was a hairy man"; "a hairy caterpillar" [syn: hairy, haired, hirsute] [ant: hairless]

adjective

Hazardous and frightening; "hairy moments in the mountains"

From: GCIDE

Hairy \Hair"y\ (-[y^]), a.
1. Bearing or covered with hair; made of or resembling hair; rough with hair; hirsute. [1913 Webster]
His mantle hairy, and his bonnet sedge. --Milton. [1913 Webster]
2. Very complicated, difficult, or involved; as, a hairy problem; a hairy equation. [Colloq.] [PJC]
3. Dangerous or frightening; as, a hairy encounter with a mugger. [PJC]