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Synonyms

imperturbable

American  
[im-per-tur-buh-buhl] / ˌɪm pərˈtɜr bə bəl /

adjective

  1. incapable of being upset or agitated; not easily excited; calm.

    imperturbable composure.

    Synonyms:
    unmoved, cool, impassive, collected, composed

imperturbable British  
/ ˌɪmpɜːˈtɜːbəbəl, ˌɪmpɜːtɜːˈbeɪʃən /

adjective

  1. not easily perturbed; calm; unruffled

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • imperturbability noun
  • imperturbableness noun
  • imperturbably adverb
  • imperturbation noun

Etymology

Origin of imperturbable

1490–1500; < Late Latin imperturbābilis. See im- 2, perturbable ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It relies on imperturbable singing actors, Molly Irelan’s fanciful costumes and Soper’s wildly variegated score create an exultant excess of weirdness.

From Los Angeles Times • Feb. 22, 2023

Brooks Koepka — who tied for second, two shots behind Mickelson, last year and won this event in 2018 and 2019 among four major titles — went his usual imperturbable route.

From Washington Post • May 18, 2022

Like Andriessen, Crumb, too, had an imperturbable sway on young composers.

From Los Angeles Times • Apr. 23, 2022

When they do, Mr. Ebeke said, he merely looks at them, says, “God is just” in his imperturbable voice and moves on down the deck.

From New York Times • Feb. 1, 2022

Somehow, the sight of those stoic palace guards made her buck up a bit, with their imperturbable faces and brave fur hats.

From "The Hidden Gallery" by Maryrose Wood