Simple Definition of insouciance

from our Learner's Dictionary

insouciance

noun

ɪnˈsuːsijəns How to pronounce insouciance (audio)
formal : a relaxed and calm state : a feeling of not worrying about anything
her youthful insouciance [=nonchalance]

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“Insouciance.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/insouciance. Accessed 15 Apr. 2026.

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