English

Definition of insouciance noun from the Oxford Advanced Learner's Dictionary

 

insouciance

 noun
noun
BrE BrE//ɪnˈsuːsiəns//
 
; NAmE NAmE//ɪnˈsuːsiəns//
 
[uncountable] (formal)
 
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the state of not being worried about anything synonym nonchalance She hid her worries behind an air of insouciance. Word Origin late 18th cent.: French, from insouciant, from in- ‘not’ + souciant ‘worrying’ (present participle of soucier).
See the Oxford Advanced American Dictionary entry: insouciance