feral

adjective
UK /ˈfɪə.rəl/
US /ˈfɪr.əl/

A feral animal is one that lives wild and is not tame.

The feral cat hid under the porch and would not let anyone near it.


OTHER MEANINGS

2. Having the fierce, uncontrolled manner of a wild animal.

He gave a feral grin before sprinting away.

3. Grown or living without human care, as a plant or animal that has escaped from domestication.

Feral pigs now roam the island in large numbers.

4. Fiercely independent or untamed in behavior, especially of a person.

The feral child had learned to survive entirely on his own.