imperturbable

[im-per-tur-buh-buhl]

adjective

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

   imperturbable composure.

   Synonyms: unmoved, cool, impassive, collected, composed

imperturbable

/ ˌɪmpɜːˈtɜːbəbəl, ˌɪmpɜːtɜːˈbeɪʃən /

adjective

1. not easily perturbed; calm; unruffled

Other Word Forms

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

Word History and Origins

Origin of imperturbable¹

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

Example Sentences

Revelations lie like a buried treasure under the wondrous but imperturbable musical surface.

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

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Paul Newman’s posthumous memoir, “The Extraordinary Life of an Ordinary Man,” sheds light on a seemingly imperturbable Hollywood star.

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

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He recovered like somebody with an imperturbable mind.

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