Definition of incestuously adverb from the Oxford Advanced Learner's Dictionary



    BrE BrE//ɪnˈsestjuəsli//
    ; NAmE NAmE//ɪnˈsestʃuəsli//
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  1. 1in a way that involves sex between two people in a family who are very closely related
  2. 2(disapproving) between a group of people who have a close relationship and do not want to include anyone outside the group