imperturbability 1 of 2

imperturbable

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adjective

Synonym Chooser

How is the word imperturbable different from other adjectives like it?

Some common synonyms of imperturbable are collected, composed, cool, nonchalant, and unruffled. While all these words mean "free from agitation or excitement," imperturbable implies coolness or assurance even under severe provocation.

the speaker remained imperturbable despite the heckling

In what contexts can collected take the place of imperturbable?

The words collected and imperturbable are synonyms, but do differ in nuance. Specifically, collected implies a concentration of mind that eliminates distractions especially in moments of crisis.

the nurse stayed calm and collected

When is composed a more appropriate choice than imperturbable?

Although the words composed and imperturbable have much in common, composed implies freedom from agitation as a result of self-discipline or a sedate disposition.

the composed pianist gave a flawless concert

When can cool be used instead of imperturbable?

In some situations, the words cool and imperturbable are roughly equivalent. However, cool may imply calmness, deliberateness, or dispassionateness.

kept a cool head

When is it sensible to use nonchalant instead of imperturbable?

While in some cases nearly identical to imperturbable, nonchalant stresses an easy coolness of manner or casualness that suggests indifference or unconcern.

a nonchalant driver

When could unruffled be used to replace imperturbable?

While the synonyms unruffled and imperturbable are close in meaning, unruffled suggests apparent serenity and poise in the face of setbacks or in the midst of excitement.

harried but unruffled

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of imperturbability
Adjective
The index took a mere three weeks and a day to fall just over 10% from its peak on Feb. 19 through Thursday’s close, in its way an equal and opposite reaction to the imperturbable rally that had lifted the market to those highs. Michael Santoli, CNBC, 15 Mar. 2025 Valeska is the movie’s stabilizing presence, imperturbable even in the face of potential natural disaster. David Rooney, The Hollywood Reporter, 25 Feb. 2025 Standing in the rostrum of the House of Representatives, a gavel in her hand and a look of imperturbable stoicism on her face, Ms. Harris officiated as the two houses of Congress met in joint session to formally count the Electoral College votes for president. Peter Baker, New York Times, 6 Jan. 2025 The team’s droll, imperturbable manager, Dave Roberts, spent much of his summer issuing medical briefings on infirm pitchers. Nicholas Dawidoff, The New Yorker, 3 Nov. 2024 See All Example Sentences for imperturbability
Recent Examples of Synonyms for imperturbability
Noun
  • Pribula, who continues to grow as a first-year starter, has shown steady composure despite last week’s loss.
    Zach Sweet, Kansas City Star, 17 Oct. 2025
  • Technical skills can be taught, but composure, teamwork and recovery under pressure are what drive performance.
    Elan Gepner-Dales, Rolling Stone, 17 Oct. 2025
Adjective
  • Meanwhile, the rest of his look was rather, well, nonchalant.
    Skyler Caruso, PEOPLE, 14 Oct. 2025
  • Despite its hefty price tag, Chalamet styled the piece in a nonchalant way, pairing it with a leather jacket, sweatpants, and a cool pair of tan sneakers.
    Christian Allaire, Vogue, 12 Oct. 2025
Adjective
  • De Gea developed it to a degree but was more of an instinctive shot stopper than someone who would marshal the back line and spread calm to those in front of him.
    Mark Critchley, New York Times, 17 Oct. 2025
  • Benkired, who reportedly appeared mostly calm in court Friday as prosecutors laid out the case against her, could face up to life in prison if convicted, Le Parisien reported.
    Sean Neumann, PEOPLE, 17 Oct. 2025
Adjective
  • Monochromatic Raven loves to stick to a simple, serene palette by combining a variety of white tulips with different bloom times.
    Miranda Crowell, Better Homes & Gardens, 18 Oct. 2025
  • Poland’s Nazi labyrinth The countryside around the little Polish village of Pniewo looks serene, with its yellow crops and patches of forest, but beneath the surface lies a sprawling 20-mile maze of tunnels, shafts, underground railway stations and combat facilities.
    Maureen O'Hare, CNN Money, 18 Oct. 2025
Adjective
  • Even a driver as unflappable as Piastri must be starting to feel some frustration that the last three major decisions made by the McLaren pit wall haven’t gone his way.
    Luke Smith, New York Times, 8 Oct. 2025
  • The good ones have learned to remain calm and unflappable, minding their body language both in front of their players and the media.
    Don Riddell, CNN Money, 25 Sep. 2025
Adjective
  • Only on particularly bumpy tarmac did the GTS-spec suspension become too jarring with the adaptive dampers stiffened up in sport mode, but switching them to normal offered the best of both worlds—excellent, composed body control and tuning that ironed out imperfections remarkably well.
    Peter Nelson, Robb Report, 1 Oct. 2025
  • The vocabulary being used by Qatar’s prime minister is strong, evocative and damning, a departure from his usual composed response to the incessant twists and turns of trying to end the 23-month war in Gaza.
    Paula Hancocks, CNN Money, 10 Sep. 2025
Adjective
  • The truth is much simpler: two people met as adults, found an unshakable connection, and fell in love.
    Lucy Notarantonio, MSNBC Newsweek, 4 Oct. 2025
  • Like gravity, like time; there are four unshakable laws that hold the whole damn business together: Press.
    Chris Cardillo, Rolling Stone, 23 Sep. 2025
Adjective
  • As did the nerveless manner in which the striker — who turns 38 in March — sent goalkeeper Harry Tyrer the wrong way from the spot to clinch another three points.
    Richard Sutcliffe, The Athletic, 9 Jan. 2025
  • Instead, Kvitova produced a nerveless performance, finishing off the match with her first ace of the final.
    Danielle Rossingh, Forbes, 27 June 2021

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Cite this Entry

“Imperturbability.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/imperturbability. Accessed 21 Oct. 2025.

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