Domestication is a species-wide process. If you teach a tiger not to eat you (yet), it is tamed, not domesticated. Whereas a domesticated pig might eat you, but it couldn’t be mistaken for a boar.
So even feral animals are still domesticated. They still retain most of the traits we bred into them.
Feral populations that have been feral so long they’ve begun to lose their domesticated traits are rare and cause great debate as to how to classify them. See Dingos, variously described as dogs, wolves, or their own species.
If it’s a single domesticated animal that has adopted a “wild” lifestyle, that is a stray.
a feral would formally domestically, or descended from domesticated.
Assuming you mean “formerly domesticated”.
Domestication is a species-wide process. If you teach a tiger not to eat you (yet), it is tamed, not domesticated. Whereas a domesticated pig might eat you, but it couldn’t be mistaken for a boar.
So even feral animals are still domesticated. They still retain most of the traits we bred into them.
Feral populations that have been feral so long they’ve begun to lose their domesticated traits are rare and cause great debate as to how to classify them. See Dingos, variously described as dogs, wolves, or their own species.
If it’s a single domesticated animal that has adopted a “wild” lifestyle, that is a stray.