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feral child

n. A child who is raised without human contact as a result of being abandoned, allegedly often raised by wild animals.

Wikipedia
Feral child

A feral child (also called wild child) is a human child who has lived isolated from human contact from a very young age where they have little or no experience of human care, behavior, or, crucially, of human language. Some feral children have been confined by people (usually their own parents), and in some cases this child abandonment was due to the parents’ rejection of a child’s severe intellectual or physical impairment. Feral children may have experienced severe abuse or trauma before being abandoned or running away. Feral children are sometimes the subjects of folklore and legends, typically portrayed as having been raised by animals.

Usage examples of "feral child".

Nor did he want to dwell on those memories of being a feral child.

Not much trace of the feral child she'd been when Simeon and Channa found her hiding in the ventilation ducts of SSS-900-C.

The question was, could a feral child like Pham Nuwen ever become one?