What is the meaning of Inbred?

Bred within; innate.

Having an ancestry characterized by inbreeding.

Describing a strain produced through successive generations of inbreeding resulting in a population of genetically identical individuals which are homozygous at all genetic loci.

Insular or self-contained, primarily interacting with and drawing upon one another.

simple past and past participle of inbreed

An inbred individual.

Source: wiktionary.org