# thing-in-itself

> English word · Noun

## Definitions
1. A thing as it is independent of any conceptualization or perception by the human mind, postulated by practical reason but existing in a condition which is in principle unknowable and unexperienceable.

## Etymology
Literal translation of the German Ding an sich.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/thing-in-itself