What is the meaning of Feral?

Wild; untamed.

Wild but descended from domestic or captive ancestors.

Contemptible; unruly; misbehaved.

Behaving in an out-of-control way due to enthrallment with a certain thought, behavior, person, etc.

That is a feral character.

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 furry character in art or literature which has the appearance of a regular animal (typically quadrupedal), that may or may not be able to communicate with humans or "anthros".

Clipping of feral porn.

Deadly, fatal.

Of or pertaining to the dead, funereal.

feral

Source: wiktionary.org