insouciant
adj. US //ˌɪnˈsusjənt// UK //ɪnsˈaʊʃiənt// in·sou·ciant
From French insouciant, from in- (“not”, prefix) + souciant (“worrying”), 1828.
From French insouciant, from in- (“not”, prefix) + souciant (“worrying”), 1828.
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