incestuous

 
Pronunciation: /ɪnˈsɛstjʊəs/

adjective

  • 1involving or guilty of incest: the child of an incestuous relationship
  • 2(of human relations) excessively close and resistant to outside influence: the incestuous nature of literary journalism

Derivatives

incestuously

adverb

incestuousness

noun

Origin:

early 16th century: from late Latin incestuosus, from Latin incestus (see incest)