imperturbable

[im-per-tur-buh-buhl]
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Origin of imperturbable

1490–1500; < Late Latin imperturbābilis. See im-2, perturbable
Related formsim·per·turb·a·bil·i·ty, im·per·turb·a·ble·ness, nounim·per·turb·a·bly, adverb

Synonyms for imperturbable

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


Examples from the Web for imperturbable

Contemporary Examples of imperturbable

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

    The Daily Beast logo
    My Night on the Border

    Bryan Curtis

    May 25, 2010

Historical Examples of imperturbable


British Dictionary definitions for imperturbable

imperturbable

adjective
  1. not easily perturbed; calm; unruffled
Derived Formsimperturbability or imperturbableness, nounimperturbably, adverbimperturbation (ˌɪmpɜːtɜːˈbeɪʃən), noun
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

Word Origin and History for imperturbable
adj.

c.1500, from Middle French imperturbable and directly from Late Latin imperturbabilis "that cannot be disturbed" (Augustine), from assimilated form of in- "not, opposite of" (see in- (1)) + *perturbabilis, from Latin perturbare "to confuse, disturb" (see perturb). Related: Imperturbably; imperturbability.

Online Etymology Dictionary, © 2010 Douglas Harper