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 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 See All Example Sentences for imperturbable
Recent Examples of Synonyms for imperturbable
Adjective
  • Instead, the reaction in Washington has been remarkably nonchalant, illustrating how thoroughly expectations of leader authenticity have eroded.
    Nate Bennett, Forbes.com, 26 Mar. 2025
  • And Sean was so, nonchalant about it.
    Outside Online, Outside Online, 5 Mar. 2025
Adjective
  • Clouds will hang around most of the evening, and the low will be around 57 along with calm overnight winds.
    Todd Karpovich, Baltimore Sun, 18 Apr. 2025
  • While not all people with autism stim, doing so can help release debilitating excess energy and restore a feeling of comfort, calm, and body/mind awareness.
    Anna Giorgi, Verywell Health, 17 Apr. 2025
Adjective
  • Hotel is a luxury resort located along the serene mangroves, offering a peaceful escape while still being close to the action of the downtown.
    Susmita Baral, Travel + Leisure, 19 Apr. 2025
  • The region marks the entrance to the Kettle Moraine State Forest and is a serene backyard for residents of Milwaukee: a patchwork of wetlands, forests, and prairie land.
    Tim Chester, AFAR Media, 16 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 sets had their ups and downs: some of the improvisations were gorgeous, but the more composed elements felt messy.
    Amanda Petrusich, New Yorker, 14 Apr. 2025
  • Stability, the ability to remain composed, consistent and dependable, especially during times of change and stress, is the bedrock of trust and the quiet strength that allows others to feel secure and focused.
    Michael McFall, Forbes.com, 9 Apr. 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
  • 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

“Imperturbable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/imperturbable. Accessed 22 Apr. 2025.

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