In·cest·tu·ous a.
1. Guilty of incest; involving, or pertaining to, incest; as, an incestuous person or connection.
Ere you reach to this incestuous love,
You must divine and human rights remove. --Dryden.
-- In*cest*tu*ous*ly, adv. -- In*cest*tu*ous*ness, n.
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