What is the meaning of Feral?

Wild; untamed.

Wild but descended from domestic or captive ancestors.

Contemptible; unruly; misbehaved.

Engrossed by a certain thought, behavior, person, etc.

A domesticated animal that has returned to the wild; an animal, particularly a domesticated animal, living independently of humans.

A contemptible young person, a lout, a person who behaves wildly.

A person who has isolated themselves from the outside world; one living an alternative lifestyle.

A character in furry art or literature which has the physical characteristics (body) of a regular animal (typically quadripedal), that may or may not be able to communicate with humans or anthros (contrasts anthro)

Deadly, fatal.

Of or pertaining to the dead, funereal.

feral

Source: wiktionary.org