Definition of "inbred"

inbred

/ˈɪnˌbɹɛd/

adjective
comparative more inbred, superlative most inbred
1. Bred within; innate.
  Quotations
  We who from daily experience knew Miss Smedley like a book—were we not only too well aware that she had neither accomplishments nor charms—no characteristic, in fact, but an inbred viciousness of temper and disposition?
  1899, Kenneth Grahame, The Golden Age/A White-washed Uncle
  His cold experience tempers all his heat, And inbred worth doth boasting valour slight.
  1666, John Bryden, Annus Mirabilis: The Year of Wonders
2. (often derogatory) Having an ancestry characterized by inbreeding.
3. (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.
4. (figurative, of a group) Insular or self-contained, primarily interacting with and drawing upon one another.
  Quotations
  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).
  1987 April 4, T.R. Witomski, “witomski responds to readers' response to witomski (letter)”, in Gay Community News, page 6
verb
1. simple past and past participle of inbreed
  Quotations
  People discovered that the Belgian hare of those days was a very delicate animal and that it was subject to many diseases. It had been inbred so long in order to produce show animals that its vitality was nearly gone.
  1920, Chesla Clella Sherlock, chapter 3, in Care and Management of Rabbits
noun
plural inbreds
1. (vulgar) An inbred individual.