# theirself

> English word · Pronoun

## Definitions
1. Alternative form of themselves.

## Etymology
From their + -self, patterned on e.g. myself, ourself/ourselves and herself (construed as being formed from adjectival her).

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