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[in-soo-see-uh nt; French an-soo-syahn] /ɪnˈsu si ənt; French ɛ̃ suˈsyɑ̃/
free from concern, worry, or anxiety; carefree; nonchalant.
Origin of insouciant
1820-30; < French, equivalent to in- in-3 + souciant present participle of soucier to worry < Vulgar Latin *sollicītāre, for Latin sollicitāre to disturb; see solicitous
Related forms
insouciantly, adverb
lighthearted, debonair, jaunty, breezy. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for insouciantly
Contemporary Examples
Historical Examples
  • "Not to-day, thanks," retorted Tess insouciantly—that was another quality Missy envied in her friend, her unfailing insouciance.

    Missy Dana Gatlin
  • The blood of his actress mother carried him insouciantly over the pregnant silence that received him.

    Rim o' the World B. M. Bower
  • And then he took the high note—took it easily, insouciantly—held it, trilled it, tossed it.

    Half Portions Edna Ferber
  • He who had insouciantly reassured Mother had himself to choke down the timorous speculations of a shop-bound clerk.

    The Innocents Sinclair Lewis
British Dictionary definitions for insouciantly


carefree or unconcerned; light-hearted
Derived Forms
insouciance, noun
insouciantly, adverb
Word Origin
C19: from French, from in-1 + souciant worrying, from soucier to trouble, from Latin sollicitāre; compare solicitous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Contemporary definitions for insouciantly

unconcerned, undisturbed; carefree and nonchalant

Word Origin

Latin in- + soucier 'to disturb''s 21st Century Lexicon
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Word Origin and History for insouciantly



1829, from French insouciant "careless, thoughtless, heedless," from in- "not" (see in- (1)) + souciant "caring," present participle of soucier "to care," from Latin sollicitare "to agitate" (see solicit). Related: Insouciantly.

Online Etymology Dictionary, © 2010 Douglas Harper
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