Word.ws English Dictionary

twincest

/ˈtwɪn.sɛst/

twincest noun: incestuous sexual relations between twins, or siblings who look very similar.

Noun

twincest (uncountable)

  1. (slang) Incestuous sexual relations between twins, or siblings who look very similar.
    • This one's about gay brothers. I'm calling it Twincest. Nice, no?1985, Joseph Hansen, A Smile in His Lifetime, New American Library, page 64
    • As 'twincest' is in (a trend started by Parker Posey and Josh Hamilton in The House of Yes, to be released in the UK in 1998)...1998, Film Review: Special: Year Book 1997/98, Visual Imagination Ltd., page 117

Origin of twincest

Blend of twin + incest, equivalent to twin + -cest.

Words that rhyme with twincest

Questions about twincest

What does twincest mean?
Twincest means incestuous sexual relations between twins, or siblings who look very similar.
What part of speech is twincest?
Twincest is a noun.
How do you pronounce twincest?
Twincest is pronounced /ˈtwɪn.sɛst/.

Words near twincest in the dictionary

  1. twinberry
  2. twinborn
  3. twinbugs
  4. twincam
  5. twincams
  6. twincest
  7. twincestual
  8. twincestuous
  9. twincharge
  10. twincharged
  11. twincharger

Source and license

Adapted from Wiktionary: twincest (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “twincest.” Word.ws, https://word.ws/twincest. Based on Wiktionary, CC BY-SA 4.0.