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

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imperturbable British  

/ ˌɪmpɜːˈtɜːbəbəl, ˌɪmpɜːtɜːˈbeɪʃən /

adjective

1. not easily perturbed; calm; unruffled

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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

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

From Los Angeles Times

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

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

From New York Times

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

From Los Angeles Times

He recovered like somebody with an imperturbable mind.

From Washington Post