# inertness

> English word · Noun

## Definitions
1. Lack of activity or exertion; habitual indisposition to action or motion
2. Absence of the power of self-motion; inertia.
3. Quality of being unreactive with other chemical compounds or elements.

## Etymology
From inert + -ness.

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