Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of, involving, or suggestive of incest.
  • adjective Having committed incest.
  • adjective Improperly intimate or interconnected.

from The Century Dictionary.

  • Guilty of incest: as, an incestuous person.
  • Involving the crime of incest: as, an incestuous connection.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Pertaining to or engaging in incest.
  • adjective Characterized by mutual relationships that are intimate and exclusive to the detriment of outsiders.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective relating to or involving incest
  • adjective resembling incest as by excessive intimacy

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

incest +‎ -ous

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Examples

  • Fred Siegel, a historian at the conservative-leaning Manhattan Institute, has written of the "New Tammany Hall," which he describes as the incestuous alliance between public officials and labor.

    NYT > Home Page By MICHAEL POWELL 2011

  • Fred Siegel, a historian at the conservative-leaning Manhattan Institute, has written of the "New Tammany Hall," which he describes as the incestuous alliance between public officials and labor.

    NYT > Home Page By MICHAEL POWELL 2011

  • Fred Siegel, a historian at the conservative-leaning Manhattan Institute, has written of the "New Tammany Hall," which he describes as the incestuous alliance between public officials and labor.

    NYT > Home Page By MICHAEL POWELL 2011

  • Well, today, Mackenzie Phillips revealed a long-term incestuous affair with her father that she says began as a rape and evolved into a consensual relationship.

    CNN Transcript Sep 26, 2009 2009

  • Mackenzie Phillips broke the silence about her long-term incestuous relationship with her father in her book, High on Arrival; Katherine Harrison did it in hers, The Kiss.

    Deborah King: Oprah: Incest Revisited 2009

  • Well, today, Mackenzie Phillips revealed a long-term incestuous affair with her father that she says began as a rape and evolved into a consensual relationship.

    CNN Transcript Sep 23, 2009 2009

  • Mackenzie Phillips broke the silence about her long-term incestuous relationship with her father in her book, High on Arrival; Katherine Harrison did it in hers, The Kiss.

    Deborah King: Oprah: Incest Revisited 2009

  • Mackenzie Phillips broke the silence about her long-term incestuous relationship with her father in her boo ...

    Deborah King: Oprah: Incest Revisited 2009

  • Mackenzie Phillips broke the silence about her long-term incestuous relationship with her father in her boo ...

    Deborah King: Oprah: Incest Revisited 2009

  • Inbreds like yourself have to be greedy and live life as selfishly as possible because your souls were condemned from the moment your mothers engaged in incestuous copulation with their fathers, uncles and brothers.

    Think Progress » Cheney Casts Deciding Vote to Pass Budget That Hammers the Poor 2005

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