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 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 Susie Glass, the crime boss Eddie reports to, is essentially a carbon copy of Michelle Dockery’s Rosalind, from her cherry-red lips to her sky-high stilettos to her generally imperturbable air. Angie Han, The Hollywood Reporter, 26 Feb. 2024 From lipomas and cysts to keloids and tumors, Lee tackles them all with professionalism and a seemingly imperturbable gag reflex. Briana Richert, James Mercadante, EW.com, 19 Feb. 2024 See All Example Sentences for imperturbable
Recent Examples of Synonyms for imperturbable
Adjective
  • Ray fluctuates more, is nonchalant about a few things, which drives me nuts.
    Bobby Narang, Chicago Tribune, 28 Feb. 2025
  • At the meeting, Hanes seemed oddly nonchalant, exuding the air of an overconfident salesman.
    David Yaffe-Bellany, New York Times, 19 Feb. 2025
Adjective
  • Both drivers have been relatively calm in the past, but that composure seemed to unravel today.
    Dan Perry, Newsweek, 2 Mar. 2025
  • The one child was screaming and running up and down, and the other child was really calm and quiet.
    Georg Szalai, The Hollywood Reporter, 1 Mar. 2025
Adjective
  • The show’s tropical backdrop, with its contrasts of serene beauty and underlying tensions, directly informed the use of saturated colors, exotic patterns, and organic textures.
    Shivani Vora, Forbes, 1 Mar. 2025
  • It’s tucked away in the hills—far above the neon signs of Sunset Boulevard and the ritzy shops of Rodeo Drive—and the outdoor entrance takes you by a serene lake where swans swim by.
    Vogue, Vogue, 27 Feb. 2025
Adjective
  • Tracing Josiah’s trajectory from lumberjack to shipyard riveter to ambitious serviceman, Wang offers a protagonist of unflappable morality and decency.
    The New Yorker, The New Yorker, 10 Feb. 2025
  • Floria is a portrait of unflappable repression, the sort of level of stress that numbs the muscles in the face to be nothing other than blank.
    Adam Solomons, IndieWire, 17 Feb. 2025
Adjective
  • Unexpected challenges, such as economic disruptions or global crises, require leaders to remain composed and responsive.
    Dr. Sharon H. Porter, Forbes, 19 Feb. 2025
  • The 17-year-old, composed and well prepared, rattled off data about the need for youth involvement in civic decision-making.
    Mará Rose Williams, Kansas City Star, 28 Jan. 2025
Adjective
  • Despite their vastly different socioeconomic backgrounds, their bond has always been unshakable — until one day, their friendship is tested, which forces Jane and Ann to confront the meaning of love, growth and adulthood.
    Sara Merican, Deadline, 9 Jan. 2025
  • But fighting for something bigger than ourselves requires clarity, conviction, and an unshakable belief in what's possible.
    Steve Grappe Special to the Democrat-Gazette, arkansasonline.com, 14 Feb. 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 14 Mar. 2025.

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