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

As Ladybug, an imperturbable, stonerish gun-for-hire, his exquisitely lanky I-don’t-care hair tucked under a dopy bucket hat, he’s fun to watch for about five minutes.

From Time

Nor did Eric Ellman, my wise and imperturbable guide to the Mexican-American border river.

From The Daily Beast

Their remarks are made with an imperturbable gravity, without a gesture, or the movement of a muscle.

From Project Gutenberg

Imperturbable, on the platform, he seemed to be holding in leash the Wendover train whose engines were throbbing for flight.

From Project Gutenberg

"For preaching to the Infidels, and teaching them the dogmas of our Holy Faith," he replied, with imperturbable coolness.

From Project Gutenberg

Everything which has come down from the ancient monarchies is calm, impassive, imperturbable.

From Project Gutenberg

Carnot was there—'iron Carnot, far-planning, imperturbable'—and held the fortress till the Emperor abdicated.

From Project Gutenberg