Standard Lemma guide

imperturbability

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

calm and unruffled self-assurance

Definition source: Princeton WordNet 3.0

Examples

  • he performed with all the coolness of a veteran

Meaning relationships

Synonyms: coolness, imperturbableness

Antonyms: none provided

Broader terms: calmness

History

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *n̥- Latin in-bor. Middle English in- English im- English perturbability English imperturbability From im- + perturbability.

Across languages

Translations

10 source translations are retained for this English entry.

  • Armenian: անվրդովություն (anvrdovutʻyun) — composure
  • Catalan: impertorbabilitat — composure
  • French: imperturbabilité — composure
  • Galician: imperturbabilidade — composure
  • Georgian: აუმღვრევლობა (aumɣvrevloba) — composure
  • Italian: imperturbabilità — composure
  • Portuguese: imperturbabilidade — composure
  • Romanian: imperturbabilitate — composure
  • Russian: невозмути́мость (nevozmutímostʹ) — composure
  • Spanish: imperturbabilidad — composure