# thisness

> English word · Noun

## Definitions
1. A thisness is a primitive, particular, nonqualitative property of an individual, ie the property of being a specific individual.

## Etymology
From this + -ness.

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