# selfcest

> English word · Noun

## Definitions
1. Sexual activity with an alternate version of oneself, such as a clone, duplicate, alter ego, or a version of oneself from a different time or alternate universe.

## Etymology
From self- + -cest.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/selfcest