inbred

1. (often derogatory) Having an ancestry characterized by inbreeding.derogatoryoften

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

3. (figurative, of a group) Insular or self-contained, primarily interacting with and drawing upon one another.Examples: "The Lavender Quill Society, that group of in-bred Manhattan gay writers who believe that gay literature begins and ends in their clique (outsiders need not apply for membership)."; "The level of academic inbreeding differs between countries and continents. Macháček et al. (2022) reported that in North America only 31% of all researchers are inbred (based on 22 major fields of science), while in Asia, this proportion is 55%, in Western and Northern Europe 37% and in Central and Eastern Europe reaches nearly 79% which is the highest proportion of inbreeders on the global scale."figuratively