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

Derived Forms

• ˌimperˈturbably, adverb
• ˌimperˌturbaˈbility, noun
• imperturbation, noun

Other Words From

• imper·turba·bili·ty imper·turba·ble·ness noun
• imper·turba·bly adverb

Word History and Origins

Origin of imperturbable¹

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

Example Sentences

Cleven, imperturbable yet not insensitive, doesn’t drink or gamble or dance — he’s a movie cowboy — and Egan is the opposite.

From Los Angeles Times

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

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