[in-ses-choo-uh s]See more synonyms for incestuous on Thesaurus.com
- involving incest.
- guilty of incest.
- being so close or intimate as to prevent proper functioning: an incestuous relationship between organized crime and government.
Origin of incestuous
1525–35;Related formsin·ces·tu·ous·ly, adverbin·ces·tu·ous·ness, nounnon·in·ces·tu·ous, adjectivenon·in·ces·tu·ous·ly, adverbnon·in·ces·tu·ous·ness, nounun·in·ces·tu·ous, adjectiveun·in·ces·tu·ous·ly, adverb
< Late Latin incestuōsus,
equivalent to Latin incestu-
stem of incestus incest
+ -ōsus -ous
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for incestuously
Derived Formsincestuously, adverbincestuousness, noun
- relating to or involving incestan incestuous union
- guilty of incest
- obsolete resulting from incestan incestuous bastard
- resembling incest in excessive or claustrophobic intimacy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for incestuously
1530s, from Latin incestuosus "incestuous," from incestus "unchaste" (see incest). Figurative use is from 1744. Related: Incestuously; incestuousness.
Online Etymology Dictionary, © 2010 Douglas Harper
- Of, involving, or suggestive of incest.
- Having committed incest.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.