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 imperturbable 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 Minsky is the very opposite: chipper, imperturbable, and with impeccable manners. Jill Lepore, The New Yorker, 30 Sep. 2024 After taking office in mid-2011, Yingluck made a virtue of necessity, assuming an imperturbable and conciliatory persona in order to mollify the establishment. Matt Wheeler, Foreign Affairs, 10 Feb. 2015 Both were introverts by nature and, for the most part, imperturbable on the court. Cindy Shmerler, New York Times, 24 May 2024 See All Example Sentences for imperturbable
Recent Examples of Synonyms for imperturbable
Adjective
  • The nonchalant nature of the talking stage can also shield individuals from rejection.
    Mark Travers, Forbes.com, 28 Mar. 2025
  • Among the many characters in the mural are: a gray cat perched in a tree; a white-and-black dog digging excitedly in the grass; a nonchalant orange cat lounging without a care; a dachshund mid-chase after a ball; and a black cat leaping into the air, back arched in dramatic flair.
    Paul Du Quenoy, MSNBC Newsweek, 26 Mar. 2025
Adjective
  • Tsunoda came into the weekend with fairly calm expectations, saying that a Q3 appearance and points return would be a good start.
    Luke Smith, New York Times, 6 Apr. 2025
  • The sulfur and salicylic acid calm things down without stripping my skin, and there’s even charcoal and bentonite clay to go even deeper and pull out gunk.
    Jennifer Hussein, Allure, 6 Apr. 2025
Adjective
  • The primary suite, situated on the main floor, features a serene bathroom with bamboo detailing on the ceiling and a private terrace overlooking the lake.
    Tori Latham, Robb Report, 7 Apr. 2025
  • The video initially shows serene underwater footage featuring fish gliding through turquoise waters.
    John W. Dean, MSNBC Newsweek, 7 Apr. 2025
Adjective
  • DuBois spent much of his career at WNBC and WCBS in New York, and maintains a smooth, unflappable presence that contrasts with Dickerson’s kinetic, lean-forward style.
    Brian Steinberg, Variety, 2 Apr. 2025
  • Kilmer made his big-screen debut in the 1984 rock & roll spy spoof Top Secret and landed his breakout role two years later in Top Gun, playing Cruise's unflappable flyboy rival, Iceman.
    Oliver Gettell, EW.com, 2 Apr. 2025
Adjective
  • The 2021 Baylor and 2022 Kansas national championship squads were nearly entirely composed of upperclassmen, and UConn started just one freshman for each of its back-to-back titles in 2023 and 2024.
    Lev Akabas, Sportico.com, 27 Mar. 2025
  • For example, research at the Ivey Business School reveals that temperance (being calm, composed, patient, prudent, and self-controlled) is one of the weakest character dimensions for many people.
    Mary Crossan, Forbes, 21 Mar. 2025
Adjective
  • The JuJu Watkins injury has thrown an unshakable solemnity across women’s basketball.
    Steven Louis Goldstein, New York Times, 28 Mar. 2025
  • An unshakable vision and an undeniable ability to turn grapes into something extraordinary.
    Lela London, Forbes, 8 Mar. 2025
Adjective
  • Instead, Kvitova produced a nerveless performance, finishing off the match with her first ace of the final.
    Danielle Rossingh, Forbes, 27 June 2021
  • The seemingly nerveless Floridian, a ferocious competitor at the best of times, hit back in style to close with two birdies in his last three holes for a round of 69 in the process sending a very clear message to his rivals out there.
    Patrick Snell, CNN, 9 Aug. 2020

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Cite this Entry

“Imperturbable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/imperturbable. Accessed 13 Apr. 2025.

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