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

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

Agreed, this might be a tough call, and certainly there could be temptation to immediately can the two Lakers employees who most epitomize the incestuous decisions that have dragged the once-shining championship organization into dull mediocrity. —Bill Plaschke, Los Angeles Times, 29 June 2025

The incestuous couple rotting in prison now because of him. —Literary Hub, 10 June 2025

The business of music long has been an incestuous one, even when the players aren’t related. —Ethan Millman, HollywoodReporter, 4 June 2025

Udo Kier Dracula and incestuous Italian lesbians amounts to one of the gayest vampire movies of all time, which is really something to say about the gayest of all the great monster archetypes. —Jordan Crucchiola, Vulture, 26 Apr. 2025

Word History

First Known Use

1532, in the meaning defined at sense 1

Rhymes for incestuous

• tempestuous

Kids 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