Imperturbability

noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A state of calm, unruffled self-assurance; aplomb, composure. uncountable

    ""As I sat alone at my breakfast--Mrs. Challenger is in the habit of keeping her room of a morning--it suddenly entered my head that it would be entertaining and instructive to see whether I could find any limits to this woman's imperturbability.""

  2. 2
    calm and unruffled self-assurance wordnet

Synonyms

All synonyms
aplombataraxybalancecalmnesscomposureconstancy

Example

More examples

""As I sat alone at my breakfast--Mrs. Challenger is in the habit of keeping her room of a morning--it suddenly entered my head that it would be entertaining and instructive to see whether I could find any limits to this woman's imperturbability.""

Etymology

From im- + perturbability.

Related phrases

self assurance

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.