# imperturbability

> English word · Noun

## Definitions
1. A state of calm, unruffled self-assurance; aplomb, composure.

## Etymology
From im- + perturbability.

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