hip ‧ pie BrE AmE , hippy /ˈhɪpi/ noun [countable]
[ Date: 1900-2000 ; Origin: ⇨ ↑ HIP 2 ]
someone, especially in the 1960s, who opposed violence peacefully and often wore unusual clothes, had long hair, and took drugs for pleasure
hip ‧ pie BrE AmE , hippy /ˈhɪpi/ noun [countable]
[ Date: 1900-2000 ; Origin: ⇨ ↑ HIP 2 ]
someone, especially in the 1960s, who opposed violence peacefully and often wore unusual clothes, had long hair, and took drugs for pleasure
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012