incestuous
adjective
in·ces·tu·ous
in-ˈses-chə-wəs 
-ˈsesh-
1
: constituting or involving incest
2
: guilty of incest
3
: excessively or improperly intimate or exclusive
"… mainstream fashion magazines have an incestuous relationship with advertisers, and that undermines integrity."—
Ike Ude
Ike Ude
incestuously
adverb
incestuousness
noun
Examples of incestuous in a Sentence
There were rumors that the father and daughter had had an incestuous relationship.
Recent Examples on the Web
So why do these incestuous love triangles seem so escapable right now?
—Alyssa Goldberg, USA Today, 29 Aug. 2025
Although Game of Thrones had its share of uncomfortable incestuous plot lines, Sophie Turner and Kit Harington avoided the worst of it… until now.
—Glenn Garner, Deadline, 15 Aug. 2025
Sam also addressed the criticism of his White Lotus character and his incestuous storyline with his brother Saxon Ratliff (Patrick Schwarzenegger).
—Stephanie Wenger, People.com, 7 Aug. 2025
Among his many misdeeds: the emperor wantonly ordered the torture and execution of enemies, engaged in multiple incestuous relationships, and declared himself a god.
—Andrew Paul, Popular Science, 10 July 2025
See All Example Sentences for incestuous
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Alyssa Goldberg, USA Today, 29 Aug. 2025
Although Game of Thrones had its share of uncomfortable incestuous plot lines, Sophie Turner and Kit Harington avoided the worst of it… until now.
—Glenn Garner, Deadline, 15 Aug. 2025
Sam also addressed the criticism of his White Lotus character and his incestuous storyline with his brother Saxon Ratliff (Patrick Schwarzenegger).
—Stephanie Wenger, People.com, 7 Aug. 2025
Among his many misdeeds: the emperor wantonly ordered the torture and execution of enemies, engaged in multiple incestuous relationships, and declared himself a god.
—Andrew Paul, Popular Science, 10 July 2025
See All Example Sentences for incestuous
Cite this Entry
“Incestuous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/incestuous. Accessed 9 Sep. 2025.
Copy CitationKids Definition
incestuous
adjective
in·ces·tu·ous
in-ˈses-chə-wəs
1
: being or involving incest
2
: guilty of incest
incestuously
adverb
Medical Definition
incestuous
adjective
in·ces·tu·ous
in-ˈses(h)-chə-wəs
1
: constituting or involving incest
2
: of, relating to, or guilty of incest
infantile incestuous wishes of the Oedipus complex
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