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incestuous

[in-ses-choo-uh s] /ɪnˈsɛs tʃu əs/
adjective
1.
involving incest.
2.
guilty of incest.
3.
being so close or intimate as to prevent proper functioning:
an incestuous relationship between organized crime and government.
Origin
1525-1535
1525-35; < Late Latin incestuōsus, equivalent to Latin incestu- stem of incestus incest + -ōsus -ous
Related forms
incestuously, adverb
incestuousness, noun
nonincestuous, adjective
nonincestuously, adverb
nonincestuousness, noun
unincestuous, adjective
unincestuously, adverb
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un incestuous

incestuous

/ɪnˈsɛstjʊəs/
adjective
1.
relating to or involving incest: an incestuous union
2.
guilty of incest
3.
(obsolete) resulting from incest: an incestuous bastard
4.
resembling incest in excessive or claustrophobic intimacy
Derived Forms
incestuously, adverb
incestuousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for un incestuous

incestuous

adj.

1530s, from Latin incestuosus "incestuous," from incestus "unchaste" (see incest). Figurative use is from 1744. Related: Incestuously; incestuousness.

Online Etymology Dictionary, © 2010 Douglas Harper
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un incestuous in Medicine

incestuous in·ces·tu·ous (ĭn-sěs'chōō-əs)
adj.

  1. Of, involving, or suggestive of incest.

  2. Having committed incest.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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