feral
adjective
[ ˈfɛr(ə)l ]
• (especially of an animal) in a wild state, especially after escape from captivity or domestication.
• "a feral cat"
feral
noun
• a person with an unconventional appearance and lifestyle, and anti-establishment views.
• "we expected bearded ferals chaining themselves to trees in protest"
Origin:
early 17th century: from Latin fera ‘wild animal’ (from ferus ‘wild’) + -al.